ci/release: add `release` workflow #3318

Job	Run time
lint	4m 16s
changed-files	14s
unit_tests_ui	0s
build-docs	0s
unit_tests_shell_ui	0s
build-shell-ui	0s
unit_tests_salt	0s
unit_tests_crd_client_generator	0s
unit_tests_metalk8s_operator	0s
unit_tests_storage_operator	0s
build_integration_container_nginx	0s
unit_tests_lib_alert_tree	0s
build / build	19m 53s
build / build-shell-ui / shell-ui	54s
build / build-docs / docs	2m 5s
integration_tests_ui	0s
build / write-final-status	10s
e2e-tests / single-node-e2e / single-node	1h 18m 44s
e2e-tests / multi-node-e2e / multi-node	1h 52m 25s
e2e-tests / single-node-e2e / destroy-single-node-cluster	2m 48s
e2e-tests / multi-node-e2e / destroy-multi-node-cluster	7m 47s
write-final-status	11s
	3h 49m 27s

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