Add entry for RazorCompiler (#66393)

Author: Cosifne

eng/config/PublishData.json

@@ -55,6 +55,7 @@
       "Microsoft.CodeAnalysis.ExternalAccess.OmniSharp.CSharp": "arcade",
       "Microsoft.CodeAnalysis.ExternalAccess.AspNetCore": "vs-impl",
       "Microsoft.CodeAnalysis.ExternalAccess.Razor": "vs-impl",
+      "Microsoft.CodeAnalysis.ExternalAccess.RazorCompiler": "vs-impl",
       "Microsoft.CodeAnalysis.ExternalAccess.TypeScript": "vs-impl",
       "Microsoft.CodeAnalysis.ExternalAccess.UnitTesting": "vs-impl",
       "Microsoft.CodeAnalysis.ExternalAccess.Xamarin.Remote": "vs-impl",