chore: release 0.5.3 (#94)

🤖 I have created a release \*beep\* \*boop\*
---
### [0.5.3](https://www.github.com/googleapis/python-media-translation/compare/v0.5.2...v0.5.3) (2021-07-28)


### Bug Fixes

* enable self signed jwt for grpc ([#92](https://www.github.com/googleapis/python-media-translation/issues/92)) ([86447f1](https://www.github.com/googleapis/python-media-translation/commit/86447f199a26530743f43f115a0981e3111e2bae))


### Documentation

* add Samples section to CONTRIBUTING.rst ([#87](https://www.github.com/googleapis/python-media-translation/issues/87)) ([0970f66](https://www.github.com/googleapis/python-media-translation/commit/0970f66d153ae5b4f4457b3b5447d6ae02065739))


### Miscellaneous Chores

* release as 0.5.3 ([#93](https://www.github.com/googleapis/python-media-translation/issues/93)) ([8a09e4e](https://www.github.com/googleapis/python-media-translation/commit/8a09e4e397169b880e91320df21742babe953c85))
---


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

CHANGELOG.md

@@ -1,5 +1,22 @@
 # Changelog
 
+### [0.5.3](https://www.github.com/googleapis/python-media-translation/compare/v0.5.2...v0.5.3) (2021-07-28)
+
+
+### Bug Fixes
+
+* enable self signed jwt for grpc ([#92](https://www.github.com/googleapis/python-media-translation/issues/92)) ([86447f1](https://www.github.com/googleapis/python-media-translation/commit/86447f199a26530743f43f115a0981e3111e2bae))
+
+
+### Documentation
+
+* add Samples section to CONTRIBUTING.rst ([#87](https://www.github.com/googleapis/python-media-translation/issues/87)) ([0970f66](https://www.github.com/googleapis/python-media-translation/commit/0970f66d153ae5b4f4457b3b5447d6ae02065739))
+
+
+### Miscellaneous Chores
+
+* release as 0.5.3 ([#93](https://www.github.com/googleapis/python-media-translation/issues/93)) ([8a09e4e](https://www.github.com/googleapis/python-media-translation/commit/8a09e4e397169b880e91320df21742babe953c85))
+
 ### [0.5.2](https://www.github.com/googleapis/python-media-translation/compare/v0.5.1...v0.5.2) (2021-07-20)
 
 

setup.py

@@ -18,7 +18,7 @@
 import os
 import setuptools  # type: ignore
 
-version = "0.5.2"
+version = "0.5.3"
 
 package_root = os.path.abspath(os.path.dirname(__file__))