Version 5.1.3-2 of haskell-recursion-schemes is marked for autoremoval from testing on Sat 03 Sep 2022. It depends (transitively) on haskell-free, affected by #1015807. You should try to prevent the removal by fixing these RC bugs.
Migration status for haskell-recursion-schemes (5.1.3-2 to 5.2.2.2-2): BLOCKED: Cannot migrate due to another item, which is blocked (please check which dependencies are stuck)