Bump Microsoft.CodeAnalysis.CSharp from 4.8.0 to 4.9.2

Bumps [Microsoft.CodeAnalysis.CSharp](https://github.com/dotnet/roslyn) from 4.8.0 to 4.9.2.
- [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
...

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

Directory.Packages.props

@@ -8,7 +8,7 @@
     <PackageVersion Include="IntelliTect.Analyzers" Version="0.1.8" />
     <PackageVersion Include="Microsoft.Build.Locator" Version="1.6.10" />
     <PackageVersion Include="Microsoft.CodeAnalysis.Analyzers" Version="3.3.4" />
-    <PackageVersion Include="Microsoft.CodeAnalysis.CSharp" Version="4.8.0" />
+    <PackageVersion Include="Microsoft.CodeAnalysis.CSharp" Version="4.9.2" />
     <PackageVersion Include="Microsoft.CodeAnalysis.CSharp.Workspaces" Version="4.8.0" />
     <PackageVersion Include="Microsoft.CodeAnalysis.NetAnalyzers" Version="8.0.0" />
     <PackageVersion Include="Microsoft.CodeAnalysis.Workspaces.Common" Version="4.8.0" />