Merge pull request #1147 from zino-hofmann/budde377-patch-4

fix: Export `useGraphQLClient` hook

Author: vincenzopalazzo

packages/graphql_flutter/lib/graphql_flutter.dart

@@ -14,5 +14,6 @@ export 'package:graphql_flutter/src/widgets/hooks/mutation.dart';
 export 'package:graphql_flutter/src/widgets/hooks/query.dart';
 export 'package:graphql_flutter/src/widgets/hooks/subscription.dart';
 export 'package:graphql_flutter/src/widgets/hooks/watch_query.dart';
+export 'package:graphql_flutter/src/widgets/hooks/graphql_client.dart';
 
 export 'package:graphql_flutter/src/hive_init.dart';