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Hidden tags need to be included in order to check for a referrers existence.
quay/quay#3051: registry: hidden tag should be included when checking a manifest's referrers (PROJQUAY-7519)
quay/quay#3052: [redhat-3.12] registry: hidden tag should be included when checking a manifest's referrers (PROJQUAY-7519)
Merge request - Updated US source to: ae99470 [redhat-3.12] registry: hidden tag should be included when checking a manifest's referrers (PROJQUAY-7519) (#3052)