chore: release 1.1.0 (#20)

🤖 I have created a release \*beep\* \*boop\* 
---
## [1.1.0](https://www.github.com/googleapis/python-billing/compare/v1.0.0...v1.1.0) (2020-11-17)


### Features

* add async client, support credentials_file and scopes client options ([#29](https://www.github.com/googleapis/python-billing/issues/29)) ([4177eb5](https://www.github.com/googleapis/python-billing/commit/4177eb53544392931a17a6fc8e51b24c69698969))
* add mtls support ([#19](https://www.github.com/googleapis/python-billing/issues/19)) ([fef622a](https://www.github.com/googleapis/python-billing/commit/fef622a0dddf005d8af329ee001ec41f03850427))
---


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

Author: release-please[bot]

packages/google-cloud-billing/CHANGELOG.md

@@ -1,5 +1,13 @@
 # Changelog
 
+## [1.1.0](https://www.github.com/googleapis/python-billing/compare/v1.0.0...v1.1.0) (2020-11-17)
+
+
+### Features
+
+* add async client, support credentials_file and scopes client options ([#29](https://www.github.com/googleapis/python-billing/issues/29)) ([4177eb5](https://www.github.com/googleapis/python-billing/commit/4177eb53544392931a17a6fc8e51b24c69698969))
+* add mtls support ([#19](https://www.github.com/googleapis/python-billing/issues/19)) ([fef622a](https://www.github.com/googleapis/python-billing/commit/fef622a0dddf005d8af329ee001ec41f03850427))
+
 ## [1.0.0](https://www.github.com/googleapis/python-billing/compare/v0.1.0...v1.0.0) (2020-05-18)
 
 

packages/google-cloud-billing/setup.py

@@ -19,7 +19,7 @@
 import os
 import setuptools  # type: ignore
 
-version = "1.0.0"
+version = "1.1.0"
 
 package_root = os.path.abspath(os.path.dirname(__file__))