chore: consolidate clusterpolicy validation code #3033

Job	Run time
variables / variables	8s
code-scanning / Analyze Go code with CodeQL	4m 20s
golang-checks / go-build	1m 52s
golang-checks / go-check	1m 2s
config-checks / validate-helm-values	35s
config-checks / helm-lint	8s
config-checks / validate-csv	47s
golang-checks / unit tests	40s
image-builds	0s
coverage	0s
e2e-tests	0s
release	0s
	9m 32s

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