NadekoBot.Extensions should now be fully annotated with nullable reference types as well as many classes from NadekoBot.Common

src/NadekoBot/Services/Impl/GoogleApiService.cs

@@ -1,4 +1,5 @@
-using Google;
+#nullable disable
+using Google;
 using Google.Apis.Customsearch.v1;
 using Google.Apis.Services;
 using Google.Apis.Urlshortener.v1;
@@ -378,4 +379,4 @@ public class GoogleApiService : IGoogleApiService, INService
         Languages.TryGetValue(language, out var mode);
         return mode;
     }
-}
+}