Bump Microsoft.CodeAnalysis.CSharp.Scripting in /src/net (#790)

Bumps [Microsoft.CodeAnalysis.CSharp.Scripting](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.Scripting
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

src/net/KNetCLI/KNetCLI.csproj

@@ -38,7 +38,7 @@
 		<None Include="..\..\documentation\articles\usageCLI.md" Pack="true" PackagePath="\" />
 	</ItemGroup>
 	<ItemGroup>
-		<PackageReference Include="Microsoft.CodeAnalysis.CSharp.Scripting" Version="4.11.0" />
+		<PackageReference Include="Microsoft.CodeAnalysis.CSharp.Scripting" Version="4.12.0" />
 		<PackageReference Include="Microsoft.SourceLink.GitHub" Version="8.0.0" PrivateAssets="All" />
 	</ItemGroup>
 	<ItemGroup>