Limit pyspark version #1325

Job	Run time
Oracle tests / Run Oracle tests	7m 56s
Clickhouse tests / Run Clickhouse tests	8m 16s
MSSQL tests / Run MSSQL tests	7m 47s
MySQL tests / Run MySQL tests	7m 35s
Unit tests / Run unit tests	3m 37s
SFTP tests / Run SFTP tests	6m 44s
Scheduler tests / Run Scheduler tests	4m 17s
FTPS tests / Run FTPS tests	6m 52s
HDFS tests / Run HDFS tests	10m 21s
S3 tests / Run S3 tests	11m 0s
Hive tests / Run Hive tests	7m 7s
FTP tests / Run FTP tests	9m 49s
WebDAV tests / Run WebDAV tests	7m 0s
Samba tests / Run Samba tests	7m 8s
Tests done	16s
	1h 45m 45s

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