chore(deps): update dependency google-cloud-bigquery to v2.30.0 (#330)

Author: renovate-bot

asset/snippets/snippets/requirements.txt

@@ -2,4 +2,4 @@ google-cloud-storage==1.42.3
 google-cloud-asset==3.7.1
 google-cloud-resource-manager==1.3.1
 google-cloud-pubsub==2.8.0
-google-cloud-bigquery==2.29.0
+google-cloud-bigquery==2.30.0