chore(deps): update dependency mock to v4 [(#4287)](GoogleCloudPlatform/python-docs-samples#4287)

renovate-bot · leahecole · busunkim96 · commit d1b73918d4f8 · 2020-09-03T09:27:30.000-06:00
* chore(deps): update dependency mock to v4

* specify mock version for appengine python 2

Co-authored-by: Leah Cole &lt;coleleah@google.com&gt;
diff --git a/packages/google-cloud-python-speech/samples/microphone/requirements-test.txt b/packages/google-cloud-python-speech/samples/microphone/requirements-test.txt
@@ -1,2 +1,2 @@
 pytest==5.4.3
-mock==3.0.5
+mock==4.0.2
