chore: release 6.2.4 (#692)

🤖 I have created a release \*beep\* \*boop\*
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### [6.2.4](https://www.github.com/googleapis/nodejs-translate/compare/v6.2.3...v6.2.4) (2021-06-29)


### Bug Fixes

* **deps:** google-gax v2.17.0 with mTLS ([#691](https://www.github.com/googleapis/nodejs-translate/issues/691)) ([5de0327](https://www.github.com/googleapis/nodejs-translate/commit/5de03274c69ae1e0be252e32d42b4fc4554d8e64))
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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).

translate/package.json

@@ -16,7 +16,7 @@
   "dependencies": {
     "@google-cloud/automl": "^2.0.0",
     "@google-cloud/text-to-speech": "^3.0.0",
-    "@google-cloud/translate": "^6.2.3",
+    "@google-cloud/translate": "^6.2.4",
     "@google-cloud/vision": "^2.0.0",
     "yargs": "^16.0.0"
   },