Some remaining fixes (mostly insubstantial) for relay (#2859)

* if bundled version is `None` and cli said "use bundled" => error

* update chain spec and transaction versions

* use generated runtime wrapper for PBH and KBH

* trigger CI

* Revert "trigger CI"

This reverts commit 7d9f51e34829d9224b352300d062e365243def5e.

* Revert "Revert "trigger CI""

This reverts commit c86ca0e264367e39abad29b9f09f09578a980568.

* Revert "Revert "Revert "trigger CI"""

This reverts commit 95e7da258bb2ace4ed2cafdb01833317f38cfcfc.