chore: release 0.5.0 (#9)

🤖 I have created a release \*beep\* \*boop\* 
---
## [0.5.0](https://www.github.com/googleapis/python-container/compare/v0.4.0...v0.5.0) (2020-04-14)


### Features

* make `project_id`, `zone`, `cluster_id`, `node_pool` optional arguments to methods in `cluster_manager_client`; change default timeout config; add 2.7 sunset warning; bump copyright year to 2020 (via synth)([#8](https://www.github.com/googleapis/python-container/issues/8)) ([6afc050](https://www.github.com/googleapis/python-container/commit/6afc050f21c57a2d0eda3327c07510f2226aa6a6))
---


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

CHANGELOG.md

@@ -4,6 +4,13 @@
 
 [1]: https://pypi.org/project/google-cloud-container/#history
 
+## [0.5.0](https://www.github.com/googleapis/python-container/compare/v0.4.0...v0.5.0) (2020-04-14)
+
+
+### Features
+
+* make `project_id`, `zone`, `cluster_id`, `node_pool` optional arguments to methods in `cluster_manager_client`; change default timeout config; add 2.7 sunset warning; bump copyright year to 2020 (via synth)([#8](https://www.github.com/googleapis/python-container/issues/8)) ([6afc050](https://www.github.com/googleapis/python-container/commit/6afc050f21c57a2d0eda3327c07510f2226aa6a6))
+
 ## [0.4.0](https://www.github.com/googleapis/python-container/compare/v0.3.0...v0.4.0) (2020-02-03)
 
 

setup.py

@@ -22,7 +22,7 @@
 
 name = "google-cloud-container"
 description = "Google Container Engine API client library"
-version = "0.4.0"
+version = "0.5.0"
 # Should be one of:
 # 'Development Status :: 3 - Alpha'
 # 'Development Status :: 4 - Beta'