Bump Microsoft.CodeAnalysis.VisualBasic.Workspaces from 4.11.0 to 4.12.0

Bumps [Microsoft.CodeAnalysis.VisualBasic.Workspaces](https://github.com/dotnet/roslyn) from 4.11.0 to 4.12.0.
- [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.VisualBasic.Workspaces
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

src/DendroDocs.Tool/DendroDocs.Tool.csproj

@@ -47,7 +47,7 @@
     <PackageReference Include="DendroDocs.Shared" Version="0.2.1" />
     <PackageReference Include="Newtonsoft.Json.Schema" Version="4.0.1" />
     <PackageReference Include="Microsoft.CodeAnalysis.CSharp.Workspaces" Version="4.11.0" />
-    <PackageReference Include="Microsoft.CodeAnalysis.VisualBasic.Workspaces" Version="4.11.0" />
+    <PackageReference Include="Microsoft.CodeAnalysis.VisualBasic.Workspaces" Version="4.12.0" />
     <PackageReference Include="Microsoft.SourceLink.GitHub" Version="8.0.0" PrivateAssets="All" />
     <PackageReference Include="System.Drawing.Common" Version="9.0.0" />
     <PackageReference Include="System.Formats.Asn1" Version="9.0.0" />