Bump Microsoft.CodeAnalysis.CSharp from 4.7.0 to 4.8.0 (#597)

Bumps [Microsoft.CodeAnalysis.CSharp](https://github.com/dotnet/roslyn) from 4.7.0 to 4.8.0.
- [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
...

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

Generators/SuperLinq.Async.Generator/SuperLinq.Async.Generator.csproj

@@ -21,7 +21,7 @@
 
 	<ItemGroup>
 		<PackageReference Include="Microsoft.CodeAnalysis.Analyzers" Version="3.3.4" PrivateAssets="all" />
-		<PackageReference Include="Microsoft.CodeAnalysis.CSharp" Version="4.7.0" PrivateAssets="all" />
+		<PackageReference Include="Microsoft.CodeAnalysis.CSharp" Version="4.8.0" PrivateAssets="all" />
 		<PackageReference Include="Scriban" Version="5.9.0" IncludeAssets="build" />
 		<PackageReference Include="ThisAssembly.Resources" Version="1.4.1" PrivateAssets="all" />
 	</ItemGroup>

Generators/SuperLinq.Generator/SuperLinq.Generator.csproj

@@ -21,7 +21,7 @@
 
 	<ItemGroup>
 		<PackageReference Include="Microsoft.CodeAnalysis.Analyzers" Version="3.3.4" PrivateAssets="all" />
-		<PackageReference Include="Microsoft.CodeAnalysis.CSharp" Version="4.7.0" PrivateAssets="all" />
+		<PackageReference Include="Microsoft.CodeAnalysis.CSharp" Version="4.8.0" PrivateAssets="all" />
 		<PackageReference Include="Scriban" Version="5.9.0" IncludeAssets="build" />
 		<PackageReference Include="ThisAssembly.Resources" Version="1.4.1" PrivateAssets="all" />
 	</ItemGroup>