Placeholder for Maciej regarding
[sig-arch] Only known images used by tests
https://sippy.dptools.openshift.org/sippy-ng/component_readiness/test_details?arch=amd64&baseEndTime=2023-05-16%2023%3A59%3A59&baseRelease=4.13&baseStartTime=2023-04-18%2000%3A00%3A00&capability=Other&component=Unknown&confidence=95&environment=ovn%20no-upgrade%20amd64%20metal-ipi%20serial&excludeArches=arm64%2Cheterogeneous%2Cppc64le%2Cs390x&excludeClouds=openstack%2Calibaba%2Cibmcloud%2Clibvirt%2Covirt%2Cunknown&excludeVariants=hypershift%2Cosd%2Cmicroshift%2Ctechpreview%2Csingle-node%2Cassisted%2Ccompact&groupBy=cloud%2Carch%2Cnetwork&ignoreDisruption=true&ignoreMissing=false&minFail=3&network=ovn&pity=5&platform=metal-ipi&sampleEndTime=2023-10-06%2023%3A59%3A59&sampleRelease=4.14&sampleStartTime=2023-09-29%2000%3A00%3A00&testId=openshift-tests%3A89f5ff950f33c7ec85ff67e969ef2b8f&testName=%5Bsig-arch%5D%20Only%20known%20images%20used%20by%20tests&upgrade=no-upgrade&variant=serial
openshift/origin#28330: [TRT-1279] Drop not-used pulledInvalidImages method
openshift/release#44104: TRT-1279: Read test image repository for observers