chore: release 0.4.0 (#29)

* updated CHANGELOG.md [ci skip]

* updated setup.cfg [ci skip]

* updated setup.py [ci skip]

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

Author: release-please[bot]

CHANGELOG.md

@@ -1,4 +1,11 @@
 # Changelog
+## [0.4.0](https://www.github.com/googleapis/python-billingbudgets/compare/v0.3.0...v0.4.0) (2020-05-18)
+
+
+### Features
+
+* refreshes beta release ([#28](https://www.github.com/googleapis/python-billingbudgets/issues/28)) ([49b6e2a](https://www.github.com/googleapis/python-billingbudgets/commit/49b6e2a22a207e2a0c8dfc34dce7df7891003156))
+
 ## [0.3.0](https://www.github.com/googleapis/python-billingbudgets/compare/v0.2.0...v0.3.0) (2020-03-18)
 
 

setup.py

@@ -22,7 +22,7 @@
 
 name = "google-cloud-billing-budgets"
 description = "Cloud Billing Budget API API client library"
-version = "0.3.0"
+version = "0.4.0"
 release_status = "Development Status :: 4 - Beta"
 dependencies = [
     "google-api-core[grpc] >= 1.14.0, < 2.0.0dev",