chore(deps): update all dependencies (#599)

Co-authored-by: Daniel Sanche <[email protected]>
Co-authored-by: Anthonios Partheniou <[email protected]>

Author: 3 people

samples/snippets/requirements.txt

@@ -1,4 +1,4 @@
 google-cloud-logging==3.2.1
 google-cloud-bigquery==3.3.1
 google-cloud-storage==2.5.0
-google-cloud-pubsub==2.13.4
+google-cloud-pubsub==2.13.5