Bump Microsoft.CodeAnalysis.CSharp in /nuget/helpers/lib/NuGetUpdater

Bumps [Microsoft.CodeAnalysis.CSharp](https://github.com/dotnet/roslyn) from 4.12.0 to 4.13.0.
- [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
...

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

Author: dependabot[bot]

nuget/helpers/lib/NuGetUpdater/Directory.Packages.props

@@ -13,7 +13,7 @@
     <PackageVersion Include="Microsoft.Build.Framework" Version="$(MSBuildPackageVersion)" />
     <PackageVersion Include="Microsoft.Build.Tasks.Core" Version="$(MSBuildPackageVersion)" />
     <PackageVersion Include="Microsoft.Build.Utilities.Core" Version="$(MSBuildPackageVersion)" />
-    <PackageVersion Include="Microsoft.CodeAnalysis.CSharp" Version="4.12.0" />
+    <PackageVersion Include="Microsoft.CodeAnalysis.CSharp" Version="4.13.0" />
     <PackageVersion Include="Microsoft.CSharp" Version="4.7.0" />
     <PackageVersion Include="Microsoft.Extensions.FileProviders.Abstractions" Version="9.0.0" />
     <PackageVersion Include="Microsoft.Extensions.FileSystemGlobbing" Version="9.0.3" />