chore(deps): update dependency six to v1.15.0 [(#3853)](#3853)

renovate-bot · busunkim96 · commit ec92da388b7e · 2020-09-03T09:27:30.000-06:00
diff --git a/speech/microphone/requirements.txt b/speech/microphone/requirements.txt
@@ -1,4 +1,4 @@
 google-cloud-speech==1.3.2
 pyaudio==0.2.11
-six==1.14.0
+six==1.15.0
 
