chore(deps): update dependency google-cloud-pubsublite to v1.4.3 (GoogleCloudPlatform#8261)

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

Author: renovate-bot

pubsublite/spark-connector/requirements-test.txt

@@ -1,4 +1,4 @@
 google-cloud-dataproc==5.0.0
-google-cloud-pubsublite==1.4.2
+google-cloud-pubsublite==1.4.3
 pytest==7.0.1
 google-cloud-storage==2.1.0