chore(deps): update all dependencies (#400)

* chore(deps): update all dependencies

* 🦉 Updates from OwlBot post-processor

See https://github.com/googleapis/repo-automation-bots/blob/main/packages/owl-bot/README.md

* revert

Co-authored-by: Owl Bot <gcf-owl-bot[bot]@users.noreply.github.com>
Co-authored-by: Anthonios Partheniou <[email protected]>

Author: 3 people

dlp/snippets/requirements-test.txt

@@ -1,4 +1,4 @@
-backoff==2.0.1
+backoff==2.1.2
 pytest==7.1.2
 flaky==3.7.0
 mock==4.0.3

dlp/snippets/requirements.txt

@@ -1,5 +1,5 @@
-google-cloud-dlp==3.7.0
-google-cloud-storage==2.3.0
-google-cloud-pubsub==2.12.1
-google-cloud-datastore==2.6.1
+google-cloud-dlp==3.7.1
+google-cloud-storage==2.4.0
+google-cloud-pubsub==2.13.0
+google-cloud-datastore==2.6.2
 google-cloud-bigquery==3.1.0