chore: release 0.4.0 (#61)

🤖 I have created a release \*beep\* \*boop\*
---
## [0.4.0](https://www.github.com/googleapis/python-compute/compare/v0.3.0...v0.4.0) (2021-06-07)


### Features

* Adding code samples and tests for them ([#55](https://www.github.com/googleapis/python-compute/issues/55)) ([14cd352](https://www.github.com/googleapis/python-compute/commit/14cd352079281ddde3602597334e3c88c942ed30))
* Raise GoogleAPICallError on REST response errors ([01db23b](https://www.github.com/googleapis/python-compute/commit/01db23bc0af3ab30bfb5ad8205446ae49417f0f1))
* Re-generated to pick up changes from googleapis-discovery with latest fixes ([#60](https://www.github.com/googleapis/python-compute/issues/60)) ([01db23b](https://www.github.com/googleapis/python-compute/commit/01db23bc0af3ab30bfb5ad8205446ae49417f0f1))
* remove support for google-api-core < 1.28.0 ([01db23b](https://www.github.com/googleapis/python-compute/commit/01db23bc0af3ab30bfb5ad8205446ae49417f0f1))
---


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 +1,15 @@
 # Changelog
 
+## [0.4.0](https://www.github.com/googleapis/python-compute/compare/v0.3.0...v0.4.0) (2021-06-07)
+
+
+### Features
+
+* Adding code samples and tests for them ([#55](https://www.github.com/googleapis/python-compute/issues/55)) ([14cd352](https://www.github.com/googleapis/python-compute/commit/14cd352079281ddde3602597334e3c88c942ed30))
+* Raise GoogleAPICallError on REST response errors ([01db23b](https://www.github.com/googleapis/python-compute/commit/01db23bc0af3ab30bfb5ad8205446ae49417f0f1))
+* Re-generated to pick up changes from googleapis-discovery with latest fixes ([#60](https://www.github.com/googleapis/python-compute/issues/60)) ([01db23b](https://www.github.com/googleapis/python-compute/commit/01db23bc0af3ab30bfb5ad8205446ae49417f0f1))
+* remove support for google-api-core < 1.28.0 ([01db23b](https://www.github.com/googleapis/python-compute/commit/01db23bc0af3ab30bfb5ad8205446ae49417f0f1))
+
 ## [0.3.0](https://www.github.com/googleapis/python-compute/compare/v0.2.1...v0.3.0) (2021-05-10)
 
 

setup.py

@@ -19,7 +19,7 @@
 import os
 import setuptools  # type: ignore
 
-version = "0.3.0"
+version = "0.4.0"
 
 package_root = os.path.abspath(os.path.dirname(__file__))