chore(deps): bump Azure.Identity from 1.12.1 to 1.13.0 in /it/csharp

Bumps [Azure.Identity](https://github.com/Azure/azure-sdk-for-net) from 1.12.1 to 1.13.0.
- [Release notes](https://github.com/Azure/azure-sdk-for-net/releases)
- [Commits](Azure/azure-sdk-for-net@Azure.Identity_1.12.1...Azure.Identity_1.13.0)

---
updated-dependencies:
- dependency-name: Azure.Identity
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

it/csharp/dotnet.csproj

@@ -9,7 +9,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Azure.Identity" Version="1.12.1" />
+    <PackageReference Include="Azure.Identity" Version="1.13.0" />
     <PackageReference Include="Microsoft.Kiota.Abstractions" Version="1.13.1" />
     <PackageReference Include="Microsoft.Kiota.Authentication.Azure" Version="1.13.1" />
     <PackageReference Include="Microsoft.Kiota.Http.HttpClientLibrary" Version="1.13.1" />