chore(deps): update dependency google-auth to v2.16.0 (#273)

Author: renovate-bot

contact-center-insights/snippets/requirements-test.txt

@@ -1,3 +1,3 @@
-google-auth==2.15.0
+google-auth==2.16.0
 google-cloud-pubsub==2.13.11
 pytest==7.2.0