Should be just a matter of uncommenting

https://github.com/RedHatInsights/rhsm-subscriptions/blob/main/src/main/resources/liquibase/changelog.xml#L111

Additional investigation should be performed to see if

    <!-- <include file="liquibase/202307051245-drop-instance_id-columns.xml"/> -->

and

    <!-- <include file="liquibase/202308210906-drop-uom-column-instance-measurements.xml"/> -->

can be run