chore(deps): update dependency pyspark to v3.2.0 (GoogleCloudPlatform#6943)

Co-authored-by: Leah E. Cole <[email protected]>
Co-authored-by: Tianzi Cai 

Author: 3 people

pubsublite/spark-connector/requirements.txt

@@ -1 +1 @@
-pyspark[sql]==3.1.2
+pyspark[sql]==3.2.0