chore: release 0.4.2 (#93)

🤖 I have created a release \*beep\* \*boop\* 
---
### [0.4.2](https://www.github.com/googleapis/google-auth-library-python-oauthlib/compare/v0.4.1...v0.4.2) (2020-10-28)


### Bug Fixes

* don't open browser if port is occupied ([#92](https://www.github.com/googleapis/google-auth-library-python-oauthlib/issues/92)) ([0004057](https://www.github.com/googleapis/google-auth-library-python-oauthlib/commit/00040576ab096faec1f6eb54c886cb9c33be17ed)), closes [#75](https://www.github.com/googleapis/google-auth-library-python-oauthlib/issues/75)
---


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

Author: release-please[bot]

CHANGELOG.md

@@ -4,6 +4,13 @@
 
 [1]: https://pypi.org/project/google-auth-oauthlib/#history
 
+### [0.4.2](https://www.github.com/googleapis/google-auth-library-python-oauthlib/compare/v0.4.1...v0.4.2) (2020-10-28)
+
+
+### Bug Fixes
+
+* don't open browser if port is occupied ([#92](https://www.github.com/googleapis/google-auth-library-python-oauthlib/issues/92)) ([0004057](https://www.github.com/googleapis/google-auth-library-python-oauthlib/commit/00040576ab096faec1f6eb54c886cb9c33be17ed)), closes [#75](https://www.github.com/googleapis/google-auth-library-python-oauthlib/issues/75)
+
 ## 0.4.1
 
 08-26-2019 13:25 PDT

setup.py

@@ -27,9 +27,11 @@
     long_description = fh.read()
 
 
+version = "0.4.2"
+
 setup(
     name="google-auth-oauthlib",
-    version="0.4.1",
+    version=version,
     author="Google Cloud Platform",
     author_email="[email protected]",
     description="Google Authentication Library",