Related to case https://access.redhat.com/support/cases/#/case/04050877

And slack discussion https://redhat-internal.slack.com/archives/C0282HW2YHZ/p1739213738653679?thread_ts=1739186814.930879&cid=C0282HW2YHZ

We need to allow setting the startingCSV property on the installer.open-cluster-management.io/oadp-subscription-spec annotation

We'd have to apply this fix to all supported acm releases, although the customer from case 04050877 is at 2.11