chore(deps): update dependency microsoft.codeanalysis.csharp.workspaces to 4.12.0

Author: renovate[bot]

src/Directory.Packages.props

@@ -12,7 +12,7 @@
     <PackageVersion Include="FluentAssertions" Version="8.0.0" />
     <PackageVersion Include="JetBrains.DotMemoryUnit" Version="3.2.20220510" />
     <PackageVersion Include="Microsoft.CodeAnalysis.Analyzers" Version="3.3.4" />
-    <PackageVersion Include="Microsoft.CodeAnalysis.CSharp.Workspaces" Version="4.11.0" />
+    <PackageVersion Include="Microsoft.CodeAnalysis.CSharp.Workspaces" Version="4.12.0" />
     <PackageVersion Include="Microsoft.NET.Test.Sdk" Version="17.12.0" />
     <PackageVersion Include="Microsoft.Reactive.Testing" Version="6.0.1" />
     <PackageVersion Include="Microsoft.SourceLink.GitHub" Version="8.0.0" />