[Storage] Adding new storage mode CSYNC #9999

Job	Run time
python-test (3.8, tests/unit_tests)	2m 51s
python-test (3.8, tests/test_cli.py)	3m 30s
python-test (3.8, tests/test_config.py)	3m 2s
python-test (3.8, tests/test_global_user_state.py)	3m 9s
python-test (3.8, tests/test_jobs.py)	3m 38s
python-test (3.8, tests/test_list_accelerators.py)	3m 53s
python-test (3.8, tests/test_optimizer_dryruns.py)	6m 48s
python-test (3.8, tests/test_optimizer_random_dag.py)	4m 51s
python-test (3.8, tests/test_storage.py)	3m 38s
python-test (3.8, tests/test_wheels.py)	3m 17s
python-test (3.8, tests/test_spot.py)	3m 13s
python-test (3.8, tests/test_yaml_parser.py)	2m 55s
	44m 45s

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