chore(deps): update all dependencies (#284)

* chore(deps): update all dependencies

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Author: renovate-bot

dlp/snippets/requirements.txt

@@ -2,4 +2,4 @@ google-cloud-dlp==3.3.0
 google-cloud-storage==1.42.3
 google-cloud-pubsub==2.8.0
 google-cloud-datastore==2.3.0
-google-cloud-bigquery==2.29.0
+google-cloud-bigquery==2.30.1