chore(deps): update dependency google-cloud-bigquery to v2.30.0 (#437)

Author: renovate-bot

packages/google-cloud-logging/samples/snippets/requirements.txt

@@ -1,4 +1,4 @@
 google-cloud-logging==2.7.0
-google-cloud-bigquery==2.29.0
+google-cloud-bigquery==2.30.0
 google-cloud-storage==1.42.3
 google-cloud-pubsub==2.8.0