[DOP-22141] Add logic for handling SFTP transfers (#189) #1068

Job	Run time
Clickhouse tests / Run Clickhouse tests	5m 3s
Hive tests / Run Hive tests	5m 18s
HDFS tests / Run HDFS tests	8m 49s
MSSQL tests / Run MSSQL tests	4m 39s
MySQL tests / Run MySQL tests	4m 43s
Oracle tests / Run Oracle tests	5m 18s
S3 tests / Run S3 tests	8m 29s
Scheduler tests / Run Scheduler tests	3m 39s
SFTP tests / Run SFTP tests	7m 26s
Unit tests / Run unit tests	3m 55s
Tests done	19s
	57m 38s

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