ER3 zip contains files
com/redhat/quarkus/platform/quarkus-operator-sdk-bom-quarkus-platform-properties/3.2.3.Final-redhat-00004/quarkus-operator-sdk-bom-quarkus-platform-properties-3.2.3.Final-redhat-00004.properties
and
com/redhat/quarkus/platform/quarkus-operator-sdk-bom-quarkus-platform-descriptor/3.2.3.Final-redhat-00004/quarkus-operator-sdk-bom-quarkus-platform-descriptor-3.2.3.Final-redhat-00004-3.2.3.Final-redhat-00004.json

It is not clear, whether they should be there.