build(deps): bump @google-cloud/storage in /examples/node (#824)

Bumps [@google-cloud/storage](https://github.com/googleapis/nodejs-storage) from 6.0.1 to 6.1.0.
- [Release notes](https://github.com/googleapis/nodejs-storage/releases)
- [Changelog](https://github.com/googleapis/nodejs-storage/blob/main/CHANGELOG.md)
- [Commits](googleapis/nodejs-storage@v6.0.1...v6.1.0)

---
updated-dependencies:
- dependency-name: "@google-cloud/storage"
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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examples/node/package.json

@@ -10,6 +10,6 @@
   "author": "",
   "license": "ISC",
   "dependencies": {
-    "@google-cloud/storage": "^6.0.1"
+    "@google-cloud/storage": "^6.1.0"
   }
 }