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

Author: renovate[bot]

Directory.Packages.props

@@ -15,7 +15,7 @@
 		<PackageVersion Include="Nullable" Version="1.3.1" />
 	</ItemGroup>
 	<ItemGroup>
-		<PackageVersion Include="Microsoft.CodeAnalysis.CSharp" Version="4.11.0" />
+		<PackageVersion Include="Microsoft.CodeAnalysis.CSharp" Version="4.12.0" />
 		<PackageVersion Include="Microsoft.CodeAnalysis.Analyzers" Version="3.3.4" />
 		<PackageVersion Include="Microsoft.Extensions.DependencyInjection" Version="8.0.1" />
 	</ItemGroup>