Bump System.Reflection.MetadataLoadContext (#43548)

Bumps the dotnet group in /docs/fundamentals/runtime-libraries/snippets/System.Reflection.Emit/PersistedAssemblyBuilder/Overview/csharp with 1 update: [System.Reflection.MetadataLoadContext](https://github.com/dotnet/runtime).


Updates `System.Reflection.MetadataLoadContext` from 8.0.1 to 9.0.0
- [Release notes](https://github.com/dotnet/runtime/releases)
- [Commits](dotnet/runtime@v8.0.1...v9.0.0)

---
updated-dependencies:
- dependency-name: System.Reflection.MetadataLoadContext
  dependency-type: direct:production
  update-type: version-update:semver-major
  dependency-group: dotnet
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

docs/fundamentals/runtime-libraries/snippets/System.Reflection.Emit/PersistedAssemblyBuilder/Overview/csharp/Project.csproj

@@ -6,6 +6,6 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="System.Reflection.MetadataLoadContext" Version="8.0.1" />
+    <PackageReference Include="System.Reflection.MetadataLoadContext" Version="9.0.0" />
   </ItemGroup>
  </Project>