fix(deps): update dependency @google-cloud/storage to v6 (#592)

Author: renovate-bot

packages/google-cloud-dataproc/samples/package.json

@@ -15,7 +15,7 @@
   },
   "dependencies": {
     "@google-cloud/dataproc": "^4.0.0",
-    "@google-cloud/storage": "^5.0.0"
+    "@google-cloud/storage": "^6.0.0"
   },
   "devDependencies": {
     "chai": "^4.2.0",