chore: release 4.2.9 (#609)

🤖 I have created a release \*beep\* \*boop\*
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### [4.2.9](https://www.github.com/googleapis/nodejs-language/compare/v4.2.8...v4.2.9) (2021-08-17)


### Bug Fixes

* **deps:** google-gax v2.24.1 ([#608](https://www.github.com/googleapis/nodejs-language/issues/608)) ([81d9fa1](https://www.github.com/googleapis/nodejs-language/commit/81d9fa1ff73ea6129d85bcf071cadd3946b9bdd7))
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This PR was generated with [Release Please](https://github.com/googleapis/release-please). See [documentation](https://github.com/googleapis/release-please#release-please).

Author: release-please[bot]

cloud-language/snippets/package.json

@@ -17,7 +17,7 @@
   "dependencies": {
     "@google-cloud/automl": "^2.0.0",
     "mathjs": "^9.0.0",
-    "@google-cloud/language": "^4.2.8",
+    "@google-cloud/language": "^4.2.9",
     "@google-cloud/storage": "^5.0.0",
     "yargs": "^16.0.0"
   },