Bump Microsoft.CodeAnalysis.CSharp, Microsoft.CodeAnalysis.Analyzers …

…and System.Threading.Tasks.Extensions

Bumps [Microsoft.CodeAnalysis.CSharp](https://github.com/dotnet/roslyn), [Microsoft.CodeAnalysis.Analyzers](https://github.com/dotnet/roslyn-analyzers) and System.Threading.Tasks.Extensions. These dependencies needed to be updated together.

Updates `Microsoft.CodeAnalysis.CSharp` 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)

Updates `Microsoft.CodeAnalysis.Analyzers` from 3.11.0 to 3.3.4
- [Release notes](https://github.com/dotnet/roslyn-analyzers/releases)
- [Changelog](https://github.com/dotnet/roslyn-analyzers/blob/main/PostReleaseActivities.md)
- [Commits](https://github.com/dotnet/roslyn-analyzers/commits/v3.3.4)

Updates `System.Threading.Tasks.Extensions` from 4.5.4 to 4.5.4

---
updated-dependencies:
- dependency-name: Microsoft.CodeAnalysis.CSharp
  dependency-type: direct:production
  update-type: version-update:semver-minor
- dependency-name: Microsoft.CodeAnalysis.Analyzers
  dependency-type: direct:production
  update-type: version-update:semver-minor
- dependency-name: System.Threading.Tasks.Extensions
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

src/GraphQL.Server.SourceGenerators/GraphQL.Server.SourceGenerators.csproj

@@ -25,7 +25,7 @@
     </ItemGroup>
 
     <ItemGroup>
-        <PackageReference Include="Microsoft.CodeAnalysis.CSharp" Version="4.11.0" PrivateAssets="all" />
+        <PackageReference Include="Microsoft.CodeAnalysis.CSharp" Version="4.12.0" PrivateAssets="all" />
         <PackageReference Include="Microsoft.CodeAnalysis.Analyzers" Version="3.11.0" PrivateAssets="all" />
         <PackageReference Include="System.Text.Json" Version="8.0.5" PrivateAssets="all" GeneratePathProperty="true" />
         <PackageReference Include="Scriban" Version="5.10.0" IncludeAssets="Build" />

tests/GraphQL.Server.SourceGenerators.Tests/GraphQL.Server.SourceGenerators.Tests.csproj

@@ -22,7 +22,7 @@
 		<PackageReference Include="Verify.XUnit" Version="28.3.2" />
 		<PackageReference Include="Verify.SourceGenerators" Version="2.5.0" />
 		<PackageReference Include="Microsoft.CodeAnalysis.Analyzers" Version="3.11.0" PrivateAssets="all" />
-		<PackageReference Include="Microsoft.CodeAnalysis.CSharp" Version="4.11.0" PrivateAssets="all" />
+		<PackageReference Include="Microsoft.CodeAnalysis.CSharp" Version="4.12.0" PrivateAssets="all" />
 	</ItemGroup>
 
 	<ItemGroup>