Bump Microsoft.CodeAnalysis from 4.12.0 to 4.13.0

Bumps [Microsoft.CodeAnalysis](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
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

Analyzers/Akade.IndexedSet.Analyzers.Test/Akade.IndexedSet.Analyzers.Test.csproj

@@ -11,7 +11,7 @@
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.13.0" />
     <PackageReference Include="MSTest.TestAdapter" Version="3.7.3" />
     <PackageReference Include="MSTest.TestFramework" Version="3.7.3" />
-    <PackageReference Include="Microsoft.CodeAnalysis" Version="4.12.0" />
+    <PackageReference Include="Microsoft.CodeAnalysis" Version="4.13.0" />
     <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.CodeRefactoring.Testing" Version="1.1.2" />