chore(deps): update dependency google-cloud-pubsub to v2.13.2 (#477)

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

Author: renovate-bot

background/app/requirements.txt

@@ -1,3 +1,3 @@
 google-cloud-firestore==2.5.3
-google-cloud-pubsub==2.13.1
+google-cloud-pubsub==2.13.2
 flask==2.1.2