Bump Microsoft.CodeAnalysis.CSharp and Microsoft.CodeAnalysis.CSharp.…

…Workspaces

Bumps [Microsoft.CodeAnalysis.CSharp](https://github.com/dotnet/roslyn) and [Microsoft.CodeAnalysis.CSharp.Workspaces](https://github.com/dotnet/roslyn). These dependencies needed to be updated together.

Updates `Microsoft.CodeAnalysis.CSharp` from 4.8.0 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)

Updates `Microsoft.CodeAnalysis.CSharp.Workspaces` 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.CSharp
  dependency-type: direct:production
  update-type: version-update:semver-minor
- dependency-name: Microsoft.CodeAnalysis.CSharp.Workspaces
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

src/StructId.Tests/StructId.Tests.csproj

@@ -13,8 +13,8 @@
     <PackageReference Include="System.Formats.Asn1" Version="8.0.1" />
     <PackageReference Include="xunit" Version="2.9.2" />
     <PackageReference Include="xunit.runner.visualstudio" Version="2.8.2" />
-    <PackageReference Include="Microsoft.CodeAnalysis.CSharp" Version="4.11.0" />
-    <PackageReference Include="Microsoft.CodeAnalysis.CSharp.Workspaces" Version="4.11.0" />
+    <PackageReference Include="Microsoft.CodeAnalysis.CSharp" Version="4.12.0" />
+    <PackageReference Include="Microsoft.CodeAnalysis.CSharp.Workspaces" Version="4.12.0" />
     <PackageReference Include="Microsoft.CodeAnalysis.CSharp.Analyzer.Testing" Version="1.1.2" />
     <PackageReference Include="Microsoft.CodeAnalysis.CSharp.CodeFix.Testing" Version="1.1.2" />
     <PackageReference Include="Microsoft.CodeAnalysis.CSharp.SourceGenerators.Testing" Version="1.1.2" />