fix: postgress-operator validation #248

Job	Run time
check-flavor	5s
validate (install, unicorn) / run	10m 45s
validate (install, upstream) / run	10m 35s
validate (upgrade, registry1) / run	11m 18s
validate (install, registry1) / run	10m 50s
validate (upgrade, unicorn) / run	0s
validate (upgrade, upstream) / run	11m 46s
	55m 19s

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