chore(deps): bump Microsoft.CodeAnalysis.CSharp and Microsoft.CodeAnalysis.Analyzers (#35)

Author: dependabot[bot]

Directory.Packages.props

@@ -21,7 +21,7 @@
       <PrivateAssets>all</PrivateAssets>
     </PackageVersion>
     <PackageVersion Include="Microsoft.CodeAnalysis.Analyzers" Version="3.11.0" />
-    <PackageVersion Include="Microsoft.CodeAnalysis.CSharp" Version="4.11.0" />
+    <PackageVersion Include="Microsoft.CodeAnalysis.CSharp" Version="4.12.0" />
     <PackageVersion Include="Microsoft.NET.Test.Sdk" Version="17.12.0" />
     <PackageVersion Include="NetEvolve.Extensions.XUnit" Version="2.3.57" />
     <PackageVersion Include="xunit" Version="2.9.2" />