chore(main): release 2.9.2 (#442)

Co-authored-by: release-please[bot] <55107282+release-please[bot]@users.noreply.github.com>

Author: release-please[bot]

CHANGELOG.md

@@ -4,6 +4,18 @@
 
 [1]: https://pypi.org/project/google-cloud-monitoring/#history
 
+## [2.9.2](https://github.com/googleapis/python-monitoring/compare/v2.9.1...v2.9.2) (2022-06-06)
+
+
+### Bug Fixes
+
+* **deps:** require protobuf <4.0.0dev ([#441](https://github.com/googleapis/python-monitoring/issues/441)) ([87a8660](https://github.com/googleapis/python-monitoring/commit/87a8660538bfeac00eedadf2be17633ffe370f22))
+
+
+### Documentation
+
+* fix changelog header to consistent size ([#439](https://github.com/googleapis/python-monitoring/issues/439)) ([ce27cb4](https://github.com/googleapis/python-monitoring/commit/ce27cb462c4ae74572015f027c9b4b0cd44d069d))
+
 ## [2.9.1](https://github.com/googleapis/python-monitoring/compare/v2.9.0...v2.9.1) (2022-03-05)
 
 

setup.py

@@ -22,7 +22,7 @@
 
 name = "google-cloud-monitoring"
 description = "Stackdriver Monitoring API client library"
-version = "2.9.1"
+version = "2.9.2"
 # Should be one of:
 # 'Development Status :: 3 - Alpha'
 # 'Development Status :: 4 - Beta'