Migrate OLM bundle image CI job from Gitlab to Github #962

Job	Run time
helm-lint	6s
validate-csv	28s
validate-helm-values	25s
unit tests	54s
go-check	1m 52s
go-build	1m 43s
build-gpu-operator (ubi9)	19m 35s
build-gpu-operator-validator (ubi9)	13m 17s
e2e-tests-nvidiadriver	38m 53s
e2e-tests-containerd	1h 5m 11s
push-gpu-operator-bundle-image	16s
	2h 22m 40s

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