ci/release: add `release` workflow #3245

Job	Run time
lint	4m 0s
changed-files	11s
build-shell-ui	0s
build-docs	0s
unit_tests_shell_ui	0s
unit_tests_ui	0s
unit_tests_metalk8s_operator	0s
unit_tests_crd_client_generator	0s
unit_tests_salt	0s
unit_tests_storage_operator	0s
build_integration_container_nginx	0s
unit_tests_lib_alert_tree	0s
build / build	20m 19s
build / build-docs / docs	1m 53s
build / build-shell-ui / shell-ui	1m 0s
integration_tests_ui	0s
build / write-final-status	8s
e2e-tests / single-node-e2e / single-node	1h 21m 51s
e2e-tests / multi-node-e2e / multi-node	1h 54m 32s
e2e-tests / single-node-e2e / destroy-single-node-cluster	2m 55s
e2e-tests / multi-node-e2e / destroy-multi-node-cluster	2m 51s
write-final-status	7s
	3h 49m 47s

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