integration: add test for deploying Nvidia `gpu-operator` through Helm chart #42

Job	Run time
Test Branch Management	38s
Python lint	16s
Go lint and unit tests / Binaries	6m 1s
Go lint and unit tests / Unit Tests & Code Quality	8m 20s
Build k8s-snap / Build snap	13m 53s
Build k8s-snap moonray / Build snap	15m 16s
Get e2e test tags	4s
Security scan / Security scan	34s
Test ubuntu:22.04 / Integration Test ubuntu:22.04 amd64 k8s.snap	1m 6s
Test ubuntu:24.04 / Integration Test ubuntu:24.04 amd64 k8s.snap	1m 1s
Test informing ubuntu:24.04 moonray / Integration Test ubuntu:24.04 amd64 k8s-moonray.snap	1m 3s
Test ubuntu:20.04 / Integration Test ubuntu:20.04 amd64 k8s.snap	1m 6s
	49m 18s

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