Switch from flake8 to ruff #1691

Job	Run time
Oracle tests / Run Oracle tests	3m 46s
MSSQL tests / Run MSSQL tests	3m 18s
Clickhouse tests / Run Clickhouse tests	4m 14s
HDFS tests / Run HDFS tests	3m 28s
MySQL tests / Run MySQL tests	3m 20s
Hive tests / Run Hive tests	3m 28s
S3 tests / Run S3 tests	3m 7s
FTPS tests / Run FTPS tests	3m 31s
Unit tests / Run unit tests	1m 15s
Samba tests / Run Samba tests	3m 11s
FTP tests / Run FTP tests	3m 10s
WebDAV tests / Run WebDAV tests	3m 31s
Iceberg tests / Run Iceberg tests	1m 22s
SFTP tests / Run SFTP tests	3m 17s
Scheduler tests / Run Scheduler tests	3m 6s
Tests done	0s
	47m 4s

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