Make variables arg in fetchQuery NoInfer to improve errors

Reviewed By: marcoww6

Differential Revision: D78281816

fbshipit-source-id: 284394f9a0af2bd9a966a308b46d6055dabebd45

Author: SamChou19815

packages/relay-runtime/query/fetchQuery.js

@@ -115,7 +115,7 @@ const invariant = require('invariant');
 function fetchQuery<TVariables: Variables, TData, TRawResponse>(
   environment: IEnvironment,
   query: Query<TVariables, TData, TRawResponse>,
-  variables: TVariables,
+  variables: NoInfer<TVariables>,
   options?: $ReadOnly<{
     fetchPolicy?: FetchQueryFetchPolicy,
     networkCacheConfig?: CacheConfig,