Bump System.CommandLine from 2.0.7 to 2.0.8

---
updated-dependencies:
- dependency-name: System.CommandLine
  dependency-version: 2.0.8
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

Directory.Packages.props

@@ -20,7 +20,7 @@
   </ItemGroup>
   <!-- Sample dependencies -->
   <ItemGroup>
-    <PackageVersion Include="System.CommandLine" Version="2.0.7" />
+    <PackageVersion Include="System.CommandLine" Version="2.0.8" />
     <PackageVersion Include="Microsoft.AspNetCore.Components.WebAssembly" Version="$(AspNetCoreVersion)" />
     <PackageVersion Include="Microsoft.AspNetCore.Components.WebAssembly.DevServer" Version="$(AspNetCoreVersion)" />
   </ItemGroup>