build(deps): bump Microsoft.CodeAnalysis.CSharp.Workspaces (#11)

Bumps [Microsoft.CodeAnalysis.CSharp.Workspaces](https://github.com/dotnet/roslyn) from 3.8.0 to 3.11.0.
- [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-minor
...

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

Author: dependabot[bot]

src/ReactiveMarbles.SourceGenerator.TestNuGetHelper/ReactiveMarbles.SourceGenerator.TestNuGetHelper.csproj

@@ -8,7 +8,7 @@
 
   <ItemGroup>
     <PackageReference Include="ReactiveMarbles.NuGet.Helpers" Version="1.0.5" />
-    <PackageReference Include="Microsoft.CodeAnalysis.CSharp.Workspaces" Version="3.8.0" />
+    <PackageReference Include="Microsoft.CodeAnalysis.CSharp.Workspaces" Version="3.11.0" />
     <PackageReference Include="Microsoft.CodeAnalysis.Analyzers" Version="3.3.2" />
     <PackageReference Include="ICSharpCode.Decompiler" Version="7.1.0.6543" />
   </ItemGroup>