Downgrade gcloud/datastore due to crit vuln

Author: cristianrgreco

packages/modules/gcloud/package.json

@@ -42,7 +42,7 @@
   },
   "devDependencies": {
     "@google-cloud/bigquery": "^8.3.0",
-    "@google-cloud/datastore": "^10.1.0",
+    "@google-cloud/datastore": "^9.2.1",
     "@google-cloud/firestore": "8.5.0",
     "@google-cloud/pubsub": "^5.3.0",
     "@google-cloud/spanner": "^8.7.1",