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 7d9f51e3.

* Revert "Revert "trigger CI""

This reverts commit c86ca0e2.

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

This reverts commit 95e7da25.