fix(deps): update dependency @google-cloud/pubsub to v1 (#339)

Author: renovate-bot

packages/google-privacy-dlp/samples/package.json

@@ -16,7 +16,7 @@
   },
   "dependencies": {
     "@google-cloud/dlp": "^1.5.0",
-    "@google-cloud/pubsub": "^0.32.0",
+    "@google-cloud/pubsub": "^1.0.0",
     "mime": "^2.3.1",
     "yargs": "^14.0.0"
   },