chore: release 1.12.8 (#1094)

🤖 I have created a release \*beep\* \*boop\* --- ### [1.12.8](https://www.github.com/googleapis/google-api-python-client/compare/v1.12.7...v1.12.8) (2020-11-18) ### Documentation * add httplib2 authorization to thread_safety ([#1005](https://www.github.com/googleapis/google-api-python-client/issues/1005)) ([205ae59](https://www.github.com/googleapis/google-api-python-client/commit/205ae5988bd89676823088d6c8a7bd17e3beefcf)), closes [#808](https://www.github.com/googleapis/google-api-python-client/issues/808) [#808](https://www.github.com/googleapis/google-api-python-client/issues/808) --- This PR was generated with [Release Please](https://github.com/googleapis/release-please).

Author: release-please[bot]

CHANGELOG.md

@@ -1,5 +1,12 @@
 # Changelog
 
+### [1.12.8](https://www.github.com/googleapis/google-api-python-client/compare/v1.12.7...v1.12.8) (2020-11-18)
+
+
+### Documentation
+
+* add httplib2 authorization to thread_safety ([#1005](https://www.github.com/googleapis/google-api-python-client/issues/1005)) ([205ae59](https://www.github.com/googleapis/google-api-python-client/commit/205ae5988bd89676823088d6c8a7bd17e3beefcf)), closes [#808](https://www.github.com/googleapis/google-api-python-client/issues/808) [#808](https://www.github.com/googleapis/google-api-python-client/issues/808)
+
 ### [1.12.7](https://www.github.com/googleapis/google-api-python-client/compare/v1.12.6...v1.12.7) (2020-11-17)
 
 

setup.py

@@ -49,7 +49,7 @@
 with io.open(readme_filename, encoding="utf-8") as readme_file:
  readme = readme_file.read()
 
-version = "1.12.7"
+version = "1.12.8"
 
 setup(
  name="google-api-python-client",