chore(deps): update dependency google-auth to v2.26.2

Author: renovate-bot

samples/compute/requirements.txt

@@ -1,3 +1,3 @@
 google-api-python-client==2.113.0
-google-auth==2.26.1
+google-auth==2.26.2
 google-auth-httplib2==0.2.0