chore(deps): update dependency google-cloud-pubsub to v2.14.0 (#427)

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

Author: 2 people

bigquery-datatransfer/snippets/requirements-test.txt

@@ -1,4 +1,4 @@
 google-cloud-bigquery==3.4.2
-google-cloud-pubsub==2.13.12
+google-cloud-pubsub==2.14.0
 pytest==7.2.1
 mock==5.0.1