MINOR: [C#] Bump Grpc.Net.Client and System.Runtime.CompilerServices.…

…Unsafe in /csharp (#43372)

Bumps [Grpc.Net.Client](https://github.com/grpc/grpc-dotnet) and [System.Runtime.CompilerServices.Unsafe](https://github.com/dotnet/runtime). These dependencies needed to be updated together.
Updates `Grpc.Net.Client` from 2.63.0 to 2.64.0
<details>
<summary>Release notes</summary>
<p><em>Sourced from <a href="https://github.com/grpc/grpc-dotnet/releases">Grpc.Net.Client's releases</a>.</em></p>
<blockquote>
<h2>Release v2.64.0</h2>
<h2>What's Changed</h2>
<ul>
<li>doc: fix typo by <a href="https://github.com/WeihanLi"><code>@​WeihanLi</code></a> in <a href="https://redirect.github.com/grpc/grpc-dotnet/pull/2432">grpc/grpc-dotnet#2432</a></li>
<li>doc: fix typo by <a href="https://github.com/WeihanLi"><code>@​WeihanLi</code></a> in <a href="https://redirect.github.com/grpc/grpc-dotnet/pull/2431">grpc/grpc-dotnet#2431</a></li>
<li>ci: upgrade checkout action version by <a href="https://github.com/WeihanLi"><code>@​WeihanLi</code></a> in <a href="https://redirect.github.com/grpc/grpc-dotnet/pull/2434">grpc/grpc-dotnet#2434</a></li>
<li>build: configure rollForward in global.json by <a href="https://github.com/WeihanLi"><code>@​WeihanLi</code></a> in <a href="https://redirect.github.com/grpc/grpc-dotnet/pull/2437">grpc/grpc-dotnet#2437</a></li>
<li>Support some HttpClientAction settings and log debug message instead of an error by <a href="https://github.com/JamesNK"><code>@​JamesNK</code></a> in <a href="https://redirect.github.com/grpc/grpc-dotnet/pull/2448">grpc/grpc-dotnet#2448</a></li>
<li>Assign primary handler before other configuration by <a href="https://github.com/JamesNK"><code>@​JamesNK</code></a> in <a href="https://redirect.github.com/grpc/grpc-dotnet/pull/2445">grpc/grpc-dotnet#2445</a></li>
<li>Update various package versions by <a href="https://github.com/JamesNK"><code>@​JamesNK</code></a> in <a href="https://redirect.github.com/grpc/grpc-dotnet/pull/2453">grpc/grpc-dotnet#2453</a></li>
<li>Update Grpc.Tools to 2.64.0 by <a href="https://github.com/JamesNK"><code>@​JamesNK</code></a> in <a href="https://redirect.github.com/grpc/grpc-dotnet/pull/2456">grpc/grpc-dotnet#2456</a></li>
<li>Change functional tests to use dynamic ports by <a href="https://github.com/JamesNK"><code>@​JamesNK</code></a> in <a href="https://redirect.github.com/grpc/grpc-dotnet/pull/2458">grpc/grpc-dotnet#2458</a></li>
<li>Add WriteResponseHeadersAsync test by <a href="https://github.com/JamesNK"><code>@​JamesNK</code></a> in <a href="https://redirect.github.com/grpc/grpc-dotnet/pull/2452">grpc/grpc-dotnet#2452</a></li>
<li>Update repo for .NET 9 by <a href="https://github.com/JamesNK"><code>@​JamesNK</code></a> in <a href="https://redirect.github.com/grpc/grpc-dotnet/pull/2457">grpc/grpc-dotnet#2457</a></li>
<li>Fix flaky ConnectTimeout_MultipleCalls_AttemptReconnect test by <a href="https://github.com/JamesNK"><code>@​JamesNK</code></a> in <a href="https://redirect.github.com/grpc/grpc-dotnet/pull/2460">grpc/grpc-dotnet#2460</a></li>
<li>Bump branch version to 2.64.0-pre1 by <a href="https://github.com/stanley-cheung"><code>@​stanley-cheung</code></a> in <a href="https://redirect.github.com/grpc/grpc-dotnet/pull/2471">grpc/grpc-dotnet#2471</a></li>
<li>[2.64.x] Update Native.DetectWindowsVersion() to consider Windows Server 2019 to be Window Server by <a href="https://github.com/JamesNK"><code>@​JamesNK</code></a> in <a href="https://redirect.github.com/grpc/grpc-dotnet/pull/2473">grpc/grpc-dotnet#2473</a></li>
<li>Bump version to 2.64.0 by <a href="https://github.com/stanley-cheung"><code>@​stanley-cheung</code></a> in <a href="https://redirect.github.com/grpc/grpc-dotnet/pull/2487">grpc/grpc-dotnet#2487</a></li>
</ul>
<p><strong>Full Changelog</strong>: <a href="https://github.com/grpc/grpc-dotnet/compare/v2.63.0...v2.64.0">https://github.com/grpc/grpc-dotnet/compare/v2.63.0...v2.64.0</a></p>
<h2>Release v2.64.0-pre1</h2>
<h2>What's Changed</h2>
<ul>
<li>doc: fix typo by <a href="https://github.com/WeihanLi"><code>@​WeihanLi</code></a> in <a href="https://redirect.github.com/grpc/grpc-dotnet/pull/2432">grpc/grpc-dotnet#2432</a></li>
<li>doc: fix typo by <a href="https://github.com/WeihanLi"><code>@​WeihanLi</code></a> in <a href="https://redirect.github.com/grpc/grpc-dotnet/pull/2431">grpc/grpc-dotnet#2431</a></li>
<li>ci: upgrade checkout action version by <a href="https://github.com/WeihanLi"><code>@​WeihanLi</code></a> in <a href="https://redirect.github.com/grpc/grpc-dotnet/pull/2434">grpc/grpc-dotnet#2434</a></li>
<li>build: configure rollForward in global.json by <a href="https://github.com/WeihanLi"><code>@​WeihanLi</code></a> in <a href="https://redirect.github.com/grpc/grpc-dotnet/pull/2437">grpc/grpc-dotnet#2437</a></li>
<li>Support some HttpClientAction settings and log debug message instead of an error by <a href="https://github.com/JamesNK"><code>@​JamesNK</code></a> in <a href="https://redirect.github.com/grpc/grpc-dotnet/pull/2448">grpc/grpc-dotnet#2448</a></li>
<li>Assign primary handler before other configuration by <a href="https://github.com/JamesNK"><code>@​JamesNK</code></a> in <a href="https://redirect.github.com/grpc/grpc-dotnet/pull/2445">grpc/grpc-dotnet#2445</a></li>
<li>Update various package versions by <a href="https://github.com/JamesNK"><code>@​JamesNK</code></a> in <a href="https://redirect.github.com/grpc/grpc-dotnet/pull/2453">grpc/grpc-dotnet#2453</a></li>
<li>Update Grpc.Tools to 2.64.0 by <a href="https://github.com/JamesNK"><code>@​JamesNK</code></a> in <a href="https://redirect.github.com/grpc/grpc-dotnet/pull/2456">grpc/grpc-dotnet#2456</a></li>
<li>Change functional tests to use dynamic ports by <a href="https://github.com/JamesNK"><code>@​JamesNK</code></a> in <a href="https://redirect.github.com/grpc/grpc-dotnet/pull/2458">grpc/grpc-dotnet#2458</a></li>
<li>Add WriteResponseHeadersAsync test by <a href="https://github.com/JamesNK"><code>@​JamesNK</code></a> in <a href="https://redirect.github.com/grpc/grpc-dotnet/pull/2452">grpc/grpc-dotnet#2452</a></li>
<li>Update repo for .NET 9 by <a href="https://github.com/JamesNK"><code>@​JamesNK</code></a> in <a href="https://redirect.github.com/grpc/grpc-dotnet/pull/2457">grpc/grpc-dotnet#2457</a></li>
<li>Fix flaky ConnectTimeout_MultipleCalls_AttemptReconnect test by <a href="https://github.com/JamesNK"><code>@​JamesNK</code></a> in <a href="https://redirect.github.com/grpc/grpc-dotnet/pull/2460">grpc/grpc-dotnet#2460</a></li>
<li>Bump branch version to 2.64.0-pre1 by <a href="https://github.com/stanley-cheung"><code>@​stanley-cheung</code></a> in <a href="https://redirect.github.com/grpc/grpc-dotnet/pull/2471">grpc/grpc-dotnet#2471</a></li>
<li>[2.64.x] Update Native.DetectWindowsVersion() to consider Windows Server 2019 to be Window Server by <a href="https://github.com/JamesNK"><code>@​JamesNK</code></a> in <a href="https://redirect.github.com/grpc/grpc-dotnet/pull/2473">grpc/grpc-dotnet#2473</a></li>
</ul>
<p><strong>Full Changelog</strong>: <a href="https://github.com/grpc/grpc-dotnet/compare/v2.63.0...v2.64.0-pre1">https://github.com/grpc/grpc-dotnet/compare/v2.63.0...v2.64.0-pre1</a></p>
</blockquote>
</details>
<details>
<summary>Commits</summary>
<ul>
<li><a href="https://github.com/grpc/grpc-dotnet/commit/988b41547b5fd3efd2815480d09fe27e6053eb60"><code>988b415</code></a> Bump version to 2.64.0 (<a href="https://redirect.github.com/grpc/grpc-dotnet/issues/2487">#2487</a>)</li>
<li><a href="https://github.com/grpc/grpc-dotnet/commit/0e24d12f1efd9fc0d6acaf8c812de6b8c3a36a22"><code>0e24d12</code></a> Update Native.DetectWindowsVersion() to consider Windows Server 2019 to be Wi...</li>
<li><a href="https://github.com/grpc/grpc-dotnet/commit/44651b08fe5b3c58d2a2a6e75eefa65ec70b36d5"><code>44651b0</code></a> Bump branch version to 2.64.0-pre1 (<a href="https://redirect.github.com/grpc/grpc-dotnet/issues/2471">#2471</a>)</li>
<li><a href="https://github.com/grpc/grpc-dotnet/commit/1416340c85bb5925b5fed0c101e7e6de71e367e0"><code>1416340</code></a> Fix flaky ConnectTimeout_MultipleCalls_AttemptReconnect test (<a href="https://redirect.github.com/grpc/grpc-dotnet/issues/2460">#2460</a>)</li>
<li><a href="https://github.com/grpc/grpc-dotnet/commit/64f6a0958a9d832ce93a560c22b28fb8489cd720"><code>64f6a09</code></a> Update repo for .NET 9 (<a href="https://redirect.github.com/grpc/grpc-dotnet/issues/2457">#2457</a>)</li>
<li><a href="https://github.com/grpc/grpc-dotnet/commit/434a5ba26b7f08f792a5450fcafdbe463b8ede9e"><code>434a5ba</code></a> Add WriteResponseHeadersAsync test (<a href="https://redirect.github.com/grpc/grpc-dotnet/issues/2452">#2452</a>)</li>
<li><a href="https://github.com/grpc/grpc-dotnet/commit/5e6821cbe3d9032f6dc692ebecce84fa8f79bee3"><code>5e6821c</code></a> Change functional tests to use dynamic ports (<a href="https://redirect.github.com/grpc/grpc-dotnet/issues/2458">#2458</a>)</li>
<li><a href="https://github.com/grpc/grpc-dotnet/commit/b57c87f2a9897b2046fdf8fff8e9eb5cb5bce396"><code>b57c87f</code></a> Update Grpc.Tools to 2.64.0 (<a href="https://redirect.github.com/grpc/grpc-dotnet/issues/2456">#2456</a>)</li>
<li><a href="https://github.com/grpc/grpc-dotnet/commit/775d1fba1caec1a57c2598cc579963bae1cc2bd0"><code>775d1fb</code></a> Update various package versions (<a href="https://redirect.github.com/grpc/grpc-dotnet/issues/2453">#2453</a>)</li>
<li><a href="https://github.com/grpc/grpc-dotnet/commit/0ea0112ec859924d6b15b38f872dad680f60c68f"><code>0ea0112</code></a> Assign primary handler before other configuration (<a href="https://redirect.github.com/grpc/grpc-dotnet/issues/2445">#2445</a>)</li>
<li>Additional commits viewable in <a href="https://github.com/grpc/grpc-dotnet/compare/v2.63.0...v2.64.0">compare view</a></li>
</ul>
</details>
<br />

Updates `System.Runtime.CompilerServices.Unsafe` from 4.7.1 to 6.0.0
<details>
<summary>Release notes</summary>
<p><em>Sourced from <a href="https://github.com/dotnet/runtime/releases">System.Runtime.CompilerServices.Unsafe's releases</a>.</em></p>
<blockquote>
<h2>.NET 6.0</h2>
<p><a href="https://github.com/dotnet/core/releases/tag/v6.0.0">Release</a></p>
<h2>.NET 6.0 RC 2</h2>
<p><a href="https://github.com/dotnet/core/tree/v6.0.0-rc.2">Release</a></p>
<h2>.NET 6.0 RC 1</h2>
<p><a href="https://github.com/dotnet/core/tree/v6.0.0-rc.1">Release</a></p>
<h2>.NET 6.0 Preview 7</h2>
<p><a href="https://github.com/dotnet/core/releases/tag/v6.0.0-preview.7">Release</a></p>
<h2>.NET 6.0 Preview 6</h2>
<p><a href="https://github.com/dotnet/core/releases/tag/v6.0.0-preview.6">Release</a></p>
<h2>.NET 6.0 Preview 5</h2>
<p><a href="https://github.com/dotnet/core/releases/tag/v6.0.0-preview.5">Release</a></p>
<h2>.NET 6.0 Preview 4</h2>
<p><a href="https://github.com/dotnet/core/releases/tag/v6.0.0-preview.4">Release</a></p>
<h2>.NET 6.0 Preview 3</h2>
<p><a href="https://github.com/dotnet/core/releases/tag/v6.0.0-preview.3">Release</a></p>
<h2>.NET 6.0 Preview 2</h2>
<p><a href="https://github.com/dotnet/core/releases/tag/v6.0.0-preview.2">Release</a></p>
<h2>.NET 6.0 Preview 1</h2>
<p><a href="https://github.com/dotnet/core/releases/tag/v6.0.0-preview.1">Release</a></p>
<h2>.NET 5.0.17</h2>
<p><a href="https://github.com/dotnet/core/tree/v5.0.17">Release</a></p>
<p>.NET 5 is now <a href="https://docs.microsoft.com/en-us/lifecycle/products/microsoft-net-and-net-core">out of support</a>. We recommend using .NET 6.</p>
<h2>.NET 5.0.16</h2>
<p><a href="https://github.com/dotnet/core/tree/v5.0.16">Release</a></p>
<h2>.NET 5.0.15</h2>
<p><a href="https://github.com/dotnet/core/tree/v5.0.15">Release</a></p>
<h2>.NET 5.0.14</h2>
<p><a href="https://github.com/dotnet/core/releases/tag/v5.0.14">Release</a></p>
<h2>.NET 5.0.13</h2>
<p><a href="https://github.com/dotnet/core/releases/tag/v5.0.13">Release</a></p>
<h2>.NET 5.0.11</h2>
<p><a href="https://github.com/dotnet/core/tree/v5.0.11">Release</a></p>

</blockquote>
<p>... (truncated)</p>
</details>
<details>
<summary>Commits</summary>
<ul>
<li>See full diff in <a href="https://github.com/dotnet/runtime/commits/v6.0.0">compare view</a></li>
</ul>
</details>
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csharp/src/Apache.Arrow.Flight/Apache.Arrow.Flight.csproj

@@ -6,7 +6,7 @@
 
   <ItemGroup>
     <PackageReference Include="Google.Protobuf" Version="3.27.2" />
-    <PackageReference Include="Grpc.Net.Client" Version="2.63.0" />
+    <PackageReference Include="Grpc.Net.Client" Version="2.64.0" />
     <PackageReference Include="Grpc.Tools" Version="2.65.0" PrivateAssets="All" />
   </ItemGroup>