chore: release 1.5.1 (#155)

🤖 I have created a release \*beep\* \*boop\*
---
### [1.5.1](https://www.github.com/googleapis/python-billingbudgets/compare/v1.5.0...v1.5.1) (2021-11-01)


### Bug Fixes

* **deps:** drop packaging dependency ([cfccdf0](https://www.github.com/googleapis/python-billingbudgets/commit/cfccdf02a3b0e9d3cdf59a053766963da8f7da37))
* **deps:** require google-api-core >= 1.28.0 ([cfccdf0](https://www.github.com/googleapis/python-billingbudgets/commit/cfccdf02a3b0e9d3cdf59a053766963da8f7da37))
* fix extras_require typo in setup.py ([cfccdf0](https://www.github.com/googleapis/python-billingbudgets/commit/cfccdf02a3b0e9d3cdf59a053766963da8f7da37))


### Documentation

* list oneofs in docstring ([cfccdf0](https://www.github.com/googleapis/python-billingbudgets/commit/cfccdf02a3b0e9d3cdf59a053766963da8f7da37))
---


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

Author: release-please[bot]

CHANGELOG.md

@@ -1,4 +1,18 @@
 # Changelog
+### [1.5.1](https://www.github.com/googleapis/python-billingbudgets/compare/v1.5.0...v1.5.1) (2021-11-01)
+
+
+### Bug Fixes
+
+* **deps:** drop packaging dependency ([cfccdf0](https://www.github.com/googleapis/python-billingbudgets/commit/cfccdf02a3b0e9d3cdf59a053766963da8f7da37))
+* **deps:** require google-api-core >= 1.28.0 ([cfccdf0](https://www.github.com/googleapis/python-billingbudgets/commit/cfccdf02a3b0e9d3cdf59a053766963da8f7da37))
+* fix extras_require typo in setup.py ([cfccdf0](https://www.github.com/googleapis/python-billingbudgets/commit/cfccdf02a3b0e9d3cdf59a053766963da8f7da37))
+
+
+### Documentation
+
+* list oneofs in docstring ([cfccdf0](https://www.github.com/googleapis/python-billingbudgets/commit/cfccdf02a3b0e9d3cdf59a053766963da8f7da37))
+
 ## [1.5.0](https://www.github.com/googleapis/python-billingbudgets/compare/v1.4.4...v1.5.0) (2021-10-11)
 
 

setup.py

@@ -22,7 +22,7 @@
 
 name = "google-cloud-billing-budgets"
 description = "Cloud Billing Budget API API client library"
-version = "1.5.0"
+version = "1.5.1"
 release_status = "Development Status :: 5 - Production/Stable"
 dependencies = [
     # NOTE: Maintainers, please do not require google-api-core>=2.x.x