chore(amplify_test): Bump graphql dependency

Author: Dillon Nys

packages/amplify_test/pubspec.yaml

@@ -21,9 +21,13 @@ dependencies:
     sdk: flutter
   flutter_test:
     sdk: flutter
-  graphql: 5.1.1
+  graphql: 5.1.2
   stream_transform: ^2.0.0
 
+dependency_overrides:
+  # TODO(dnys1): Remove when `graphql` is updated
+  web_socket_channel: 2.2.0
+
 dev_dependencies:
   amplify_lints: ^1.0.0
   integration_test: