chore(deps): update all dependencies (#418)

Author: renovate-bot

samples/snippets/requirements.txt

@@ -1,4 +1,4 @@
 google-cloud-logging==2.6.0
-google-cloud-bigquery==2.26.0
-google-cloud-storage==1.42.2
+google-cloud-bigquery==2.28.1
+google-cloud-storage==1.42.3
 google-cloud-pubsub==2.8.0