chore: release 2.3.4 (#571)

🤖 I have created a release \*beep\* \*boop\*
---
### [2.3.4](https://www.github.com/googleapis/nodejs-monitoring/compare/v2.3.3...v2.3.4) (2021-08-17)


### Bug Fixes

* **deps:** google-gax v2.24.1 ([#570](https://www.github.com/googleapis/nodejs-monitoring/issues/570)) ([368febb](https://www.github.com/googleapis/nodejs-monitoring/commit/368febba05606ccb71cdee0efc75255acac7d75d))
---


This PR was generated with [Release Please](https://github.com/googleapis/release-please). See [documentation](https://github.com/googleapis/release-please#release-please).

monitoring/snippets/package.json

@@ -14,7 +14,7 @@
     "test": "mocha --timeout 600000"
   },
   "dependencies": {
-    "@google-cloud/monitoring": "^2.3.3",
+    "@google-cloud/monitoring": "^2.3.4",
     "yargs": "^16.0.0"
   },
   "devDependencies": {