chore(deps): update all dependencies (#421)

* chore(deps): update all dependencies

* 🦉 Updates from OwlBot post-processor

See https://github.com/googleapis/repo-automation-bots/blob/main/packages/owl-bot/README.md

* revert

Co-authored-by: Owl Bot <gcf-owl-bot[bot]@users.noreply.github.com>
Co-authored-by: Anthonios Partheniou <[email protected]>

Author: 3 people

speech/microphone/requirements.txt

@@ -1,4 +1,4 @@
-google-cloud-speech==2.14.1
-pyaudio==0.2.11
+google-cloud-speech==2.15.0
+pyaudio==0.2.12
 six==1.16.0
 

speech/snippets/requirements.txt

@@ -1,2 +1,2 @@
-google-cloud-speech==2.14.1
-google-cloud-storage==2.3.0
+google-cloud-speech==2.15.0
+google-cloud-storage==2.4.0