RFC 311: Add oobmigration store
Created by: efritz
This helps #18353 (closed). This adds a store that interfaces with the new out-of-band migrations table introduced in https://github.com/sourcegraph/sourcegraph/pull/18392.
Created by: efritz
This helps #18353 (closed). This adds a store that interfaces with the new out-of-band migrations table introduced in https://github.com/sourcegraph/sourcegraph/pull/18392.