feat: support metrics scrape #2741

Job	Run time
lint (1.22.x, ubuntu-latest)	3m 7s
govet-sidecar (1.22.x, ubuntu-latest)	1m 18s
govet (1.22.x, ubuntu-latest)	1m 37s
lint-sidecar (1.22.x, ubuntu-latest)	2m 36s
Shellcheck (1.22.x)	16s
Check for vulnerable dependencies (1.22.x)	19s
Check for vulnerable dependencies in sidecar (1.22.x)	18s
gotest-sidecar (1.22.x, ubuntu-latest)	1m 36s
sidecar (1.22.x, ubuntu-latest)	3m 22s
gotest (1.22.x, ubuntu-latest)	1m 56s
operator (1.22.x, ubuntu-latest)	3m 33s
helm (1.22.x, ubuntu-latest)	2m 28s
helm-floor (1.22.x, ubuntu-latest)	2m 36s
test-cert-manager (1.22.x, ubuntu-latest)	2m 43s
test-kes (1.22.x, ubuntu-latest)	3m 37s
test-policy-binding (1.22.x, ubuntu-latest)	5m 27s
test-tenant (1.22.x, ubuntu-latest)	2m 5s
test-tenant-hotfix-update (1.22.x, ubuntu-latest)	2m 56s
test-tenant-upgrade (1.22.x, ubuntu-latest)	3m 0s
	44m 50s

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