Implement version_downgrade_with_rollback test #508

Job	Run time
Test Branch Management	1m 2s
Python lint	12s
Go lint and unit tests / Binaries	5m 53s
Go lint and unit tests / Unit Tests & Code Quality	7m 27s
Build k8s-snap / Build snap	15m 8s
Build k8s-snap moonray / Build snap	15m 22s
Get e2e test tags	4s
Security scan / Security scan	51s
Test ubuntu:24.04 / Integration Test ubuntu:24.04 amd64 k8s.snap	1h 43m 16s
Test ubuntu:22.04 / Integration Test ubuntu:22.04 amd64 k8s.snap	57m 7s
Test ubuntu:20.04 / Integration Test ubuntu:20.04 amd64 k8s.snap	1h 45m 23s
Test informing ubuntu:24.04 moonray / Integration Test ubuntu:24.04 amd64 k8s-moonray.snap	1h 35m 18s
	6h 47m 3s

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