Fix migrations and add CI check for new system chains (#2336)

Westend Collectives migration CI check can be fixed once we have
https://github.com/paritytech/try-runtime-cli/pull/58, will open another
PR once it is available.

- [x] Remove deprecated `DmpQueue` pallet from Rococo Contracts, the
migration is complete
- [x] Fix Asset Hub Rococo storage versions
- [x] Add migration check CI for Asset Hub Rococo and Westend Bridge Hub