chore: release 3.2.4 (#531)

🤖 I have created a release \*beep\* \*boop\*
---
### [3.2.4](https://www.github.com/googleapis/nodejs-text-to-speech/compare/v3.2.3...v3.2.4) (2021-06-30)


### Bug Fixes

* **deps:** google-gax v2.17.0 with mTLS ([#529](https://www.github.com/googleapis/nodejs-text-to-speech/issues/529)) ([5c6c68c](https://www.github.com/googleapis/nodejs-text-to-speech/commit/5c6c68cb54aa684a4d2f33cedc6565ef2f17e153))
---


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

packages/google-cloud-texttospeech/CHANGELOG.md

@@ -4,6 +4,13 @@
 
 [1]: https://www.npmjs.com/package/@google-cloud/text-to-speech?activeTab=versions
 
+### [3.2.4](https://www.github.com/googleapis/nodejs-text-to-speech/compare/v3.2.3...v3.2.4) (2021-06-30)
+
+
+### Bug Fixes
+
+* **deps:** google-gax v2.17.0 with mTLS ([#529](https://www.github.com/googleapis/nodejs-text-to-speech/issues/529)) ([5c6c68c](https://www.github.com/googleapis/nodejs-text-to-speech/commit/5c6c68cb54aa684a4d2f33cedc6565ef2f17e153))
+
 ### [3.2.3](https://www.github.com/googleapis/nodejs-text-to-speech/compare/v3.2.2...v3.2.3) (2021-06-23)
 
 

packages/google-cloud-texttospeech/package.json

@@ -1,7 +1,7 @@
 {
   "name": "@google-cloud/text-to-speech",
   "description": "Cloud Text-to-Speech API client for Node.js",
-  "version": "3.2.3",
+  "version": "3.2.4",
   "license": "Apache-2.0",
   "author": "Google LLC",
   "engines": {

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

@@ -14,7 +14,7 @@
     "test": "mocha --timeout=60000"
   },
   "dependencies": {
-    "@google-cloud/text-to-speech": "^3.2.3",
+    "@google-cloud/text-to-speech": "^3.2.4",
     "yargs": "^16.0.0"
   },
   "devDependencies": {