fix(deps): update dependency @grpc/proto-loader to v0.8.1

Author: renovate[bot]

packages/grpc/package.json

@@ -54,7 +54,7 @@
   },
   "dependencies": {
     "@grpc/grpc-js": "1.14.0",
-    "@grpc/proto-loader": "0.8.0"
+    "@grpc/proto-loader": "0.8.1"
   },
   "publishConfig": {
     "access": "public",