chore: release 0.4.0 (#57)

🤖 I have created a release \*beep\* \*boop\*
---
## [0.4.0](https://www.github.com/googleapis/python-private-catalog/compare/v0.3.0...v0.4.0) (2021-10-18)


### Features

* add support for python 3.10 ([#55](https://www.github.com/googleapis/python-private-catalog/issues/55)) ([a2b2bb5](https://www.github.com/googleapis/python-private-catalog/commit/a2b2bb58556b5a555621a97960f38d2dfc5a86ce))
---


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

CHANGELOG.md

@@ -1,5 +1,12 @@
 # Changelog
 
+## [0.4.0](https://www.github.com/googleapis/python-private-catalog/compare/v0.3.0...v0.4.0) (2021-10-18)
+
+
+### Features
+
+* add support for python 3.10 ([#55](https://www.github.com/googleapis/python-private-catalog/issues/55)) ([a2b2bb5](https://www.github.com/googleapis/python-private-catalog/commit/a2b2bb58556b5a555621a97960f38d2dfc5a86ce))
+
 ## [0.3.0](https://www.github.com/googleapis/python-private-catalog/compare/v0.2.4...v0.3.0) (2021-10-08)
 
 

setup.py

@@ -19,7 +19,7 @@
 
 name = "google-cloud-private-catalog"
 description = "Private Catalog API client library"
-version = "0.3.0"
+version = "0.4.0"
 release_status = "Development Status :: 4 - Beta"
 dependencies = [
     # NOTE: Maintainers, please do not require google-api-core>=2.x.x