Bump Microsoft.CodeAnalysis.CSharp from 4.11.0 to 4.12.0 (#188)

Bumps [Microsoft.CodeAnalysis.CSharp](https://github.com/dotnet/roslyn) from 4.11.0 to 4.12.0.
- [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
...

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

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

@@ -11,8 +11,8 @@
 	</PropertyGroup>
 
 	<ItemGroup>
-		<PackageReference Include="Microsoft.CodeAnalysis.CSharp.Workspaces" Version="4.11.0" />
-		<PackageReference Include="Microsoft.CodeAnalysis.CSharp" Version="4.11.0" />
+		<PackageReference Include="Microsoft.CodeAnalysis.CSharp.Workspaces" Version="4.12.0" />
+		<PackageReference Include="Microsoft.CodeAnalysis.CSharp" Version="4.12.0" />
 		<PackageReference Include="PolySharp" Version="1.15.0">
 			<PrivateAssets>all</PrivateAssets>
 			<IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>

SourceGenerator/Akade.IndexedSet.InternalSourceGenerator/Akade.IndexedSet.InternalSourceGenerator.csproj

@@ -11,8 +11,8 @@
 	</PropertyGroup>
 
 	<ItemGroup>
-		<PackageReference Include="Microsoft.CodeAnalysis.CSharp.Workspaces" Version="4.11.0" />
-		<PackageReference Include="Microsoft.CodeAnalysis.CSharp" Version="4.11.0" />
+		<PackageReference Include="Microsoft.CodeAnalysis.CSharp.Workspaces" Version="4.12.0" />
+		<PackageReference Include="Microsoft.CodeAnalysis.CSharp" Version="4.12.0" />
 		<PackageReference Include="PolySharp" Version="1.15.0">
 			<PrivateAssets>all</PrivateAssets>
 			<IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>