chore(operator): update jenkins latest img and plugins, use latest backup in bats tests #377

Job	Run time
E2E Create tests list	6s
E2E Verify code before tests	2m 4s
E2E performs backups before pod deletion and restores them even Jenkins status is restarted	12m 2s
E2E new Jenkins pod should be created after a restart	6m 26s
E2E authorization strategy is not overwritten after a restart	2m 20s
E2E creates vanilla Jenkins instance and configures it	4m 28s
E2E creates Jenkins instance with priority class and configures it	4m 13s
E2E runs kubernetes plugin job successfully	6m 21s
	38m 0s

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