Remove credsSecret #2523

Job	Run time
lint (1.22.x, ubuntu-latest)	2m 2s
govet (1.22.x, ubuntu-latest)	1m 27s
Shellcheck (1.22.x)	12s
lint-sidecar (1.22.x, ubuntu-latest)	1m 55s
govet-sidecar (1.22.x, ubuntu-latest)	1m 21s
Check for vulnerable dependencies (1.22.x)	35s
Check for vulnerable dependencies in sidecar (1.22.x)	35s
gotest-sidecar	1s
sidecar	1s
operator	1s
gotest	1s
test-policy-binding	1s
test-cert-manager	1s
test-kes	1s
test-tenant	1s
test-tenant-hotfix-update	1s
test-tenant-upgrade	1s
helm	1s
helm-floor	1s
	8m 19s

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