Bump sigs.k8s.io/controller-runtime from 0.19.4 to 0.20.0 #861

Job	Run time
validate-helm-values	1m 35s
helm-lint	6s
validate-csv	1m 33s
go-build	1m 40s
go-check	1m 54s
unit tests	48s
build-gpu-operator-validator (ubi9)	11m 45s
build-gpu-operator (ubi9)	17m 52s
e2e-tests-nvidiadriver	36m 29s
e2e-tests-containerd	53m 31s
	2h 7m 13s

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