chore: release 2.4.0 (#144)

🤖 I have created a release \*beep\* \*boop\*
---
## [2.4.0](https://www.github.com/googleapis/python-texttospeech/compare/v2.3.0...v2.4.0) (2021-05-28)


### Features

* support self-signed JWT flow for service accounts ([8a08836](https://www.github.com/googleapis/python-texttospeech/commit/8a08836487c1b7e4e58d3c07a4e26005d40793f0))


### Bug Fixes

* add async client to %name_%version/init.py ([8a08836](https://www.github.com/googleapis/python-texttospeech/commit/8a08836487c1b7e4e58d3c07a4e26005d40793f0))
---


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 +4,18 @@
 
 [1]: https://pypi.org/project/google-cloud-texttospeech/#history
 
+## [2.4.0](https://www.github.com/googleapis/python-texttospeech/compare/v2.3.0...v2.4.0) (2021-05-28)
+
+
+### Features
+
+* support self-signed JWT flow for service accounts ([8a08836](https://www.github.com/googleapis/python-texttospeech/commit/8a08836487c1b7e4e58d3c07a4e26005d40793f0))
+
+
+### Bug Fixes
+
+* add async client to %name_%version/init.py ([8a08836](https://www.github.com/googleapis/python-texttospeech/commit/8a08836487c1b7e4e58d3c07a4e26005d40793f0))
+
 ## [2.3.0](https://www.github.com/googleapis/python-texttospeech/compare/v2.2.0...v2.3.0) (2021-03-31)
 
 

packages/google-cloud-texttospeech/setup.py

@@ -35,7 +35,7 @@
 
 name = "google-cloud-texttospeech"
 description = "Google Cloud Text-to-Speech API client library"
-version = "2.3.0"
+version = "2.4.0"
 # Should be one of:
 # 'Development Status :: 3 - Alpha'
 # 'Development Status :: 4 - Beta'