Bump Microsoft.CodeAnalysis.CSharp.Workspaces from 4.10.0 to 4.11.0 i…

…n /DocGpt.Vsix (#6)

Bump Microsoft.CodeAnalysis.CSharp.Workspaces in /DocGpt.Vsix

Bumps [Microsoft.CodeAnalysis.CSharp.Workspaces](https://github.com/dotnet/roslyn) from 4.10.0 to 4.11.0.
- [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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