chore: upgrade submodule with upgraded grpc version (#195)

GurtejSohi · web-flow · commit 7907e9159927 · 2023-08-18T10:21:17.000Z
diff --git a/hypertrace-core-graphql b/hypertrace-core-graphql
@@ -1 +1 @@
-Subproject commit 70ad70a32d20b882645f511190292c8790063929
+Subproject commit a4e7276e65dc6018427e9d51e8b36803d8c94968
