Bump Microsoft.CodeAnalysis.CSharp.Workspaces

Bumps the roslyn group in /src with 1 update: [Microsoft.CodeAnalysis.CSharp.Workspaces](https://github.com/dotnet/roslyn).


Updates `Microsoft.CodeAnalysis.CSharp.Workspaces` from 3.7.0 to 4.9.2
- [Release notes](https://github.com/dotnet/roslyn/releases)
- [Changelog](https://github.com/dotnet/roslyn/blob/main/docs/Breaking%20API%20Changes.md)
- [Commits](https://github.com/dotnet/roslyn/commits)

---
updated-dependencies:
- dependency-name: Microsoft.CodeAnalysis.CSharp.Workspaces
  dependency-type: direct:production
  update-type: version-update:semver-major
  dependency-group: roslyn
...

Signed-off-by: dependabot[bot] <[email protected]>

src/Directory.Packages.props

@@ -7,7 +7,7 @@
     <PackageVersion Include="Microsoft.VisualStudioEng.MicroBuild.Core" Version="1.0.0" />
     <!-- Roslyn (version is overridden in Tests) -->
     <PackageVersion Include="Microsoft.CodeAnalysis.Analyzers" Version="3.3.4" />
-    <PackageVersion Include="Microsoft.CodeAnalysis.CSharp.Workspaces" Version="3.7.0" />
+    <PackageVersion Include="Microsoft.CodeAnalysis.CSharp.Workspaces" Version="4.9.2" />
     <!-- Analyzers -->
     <PackageVersion Include="Microsoft.VisualStudio.Threading.Analyzers" Version="17.10.48" />
     <PackageVersion Include="Microsoft.CodeAnalysis.CSharp.CodeStyle" Version="4.9.2" />