[Do Not Merge until RBH/WBH upgrade] Relayers use new submit_finality_proof_ex call in Rococo <> Westend bridge (#2827)

* use codegen runtime in WBH + update codegen files for RBH + WBH

* use submit_finality_proof_ex for Rococo <> Westend bridge

* added Rococo BH <> Rococo Bulletin bridge

* init-bridge support

* allow customising finality-related runtime APIs

* revert me

* use Rococo/BridgeHubRococo pretending to be a Polkadot/BridgeHubPolkadot in Rococo <> RococoBulletin bridge

* Revert "revert me"

This reverts commit 90c598d9.

* Revert "allow customising finality-related runtime APIs"

This reverts commit b39c32c3.

* fmt

* WITH_BRIDGE_ROCOCO_TO_BULLETIN_MESSAGES_PALLET_INDEX

* regenerate bulletin chain runtime (pallet indices have changed)

* fx WITH_BRIDGE_ROCOCO_TO_BULLETIN_MESSAGES_PALLET_INDEX constant because of latest changes

* also change indices in runtime

* fmt

* clippy

* Added Rococo<>Westend primitives

* Latest fashion

* WIP

* Temporary hack for AssetHubWestend to Millau

* typo

* tool/runtime-codegen tweaks

* Rococo<>Westend relay part

* zepter

* Unify `Parachain` vs `Parachains`

* Use generated runtimes for BHR/BHW

* Deduplicate BHR/BHW runtimes

* Add script for regenerating runtimes

fail with InsufficientDispatchWeight if dispatch_weight doesn't cover weight of all bundled messages (#2018)

* bump refs and fix build

* more fixes

* Fix rialto-parachain node

* Update dependencies for tools/runtime-codegen

* Regenerate rialto-parachain indirect runtime

* Fix register_parachain

* Fix clippy

* Undo clippy allow

---------

Co-authored-by: Serban Iorga <[email protected]>

* Bump substrate/polkadot/cumulus

* sp_finality_grandpa - >sp_consensus_grandpa

* sp_beefy -> sp_consensus_beefy

* pallet_randomness_collective_flip -> pallet_insecure_randomness_collective_flip

* fix

* Cumulus parachain stuff

* Cumulus parachain stuff one more

* Millau/Rialto runtimes

* Removed pallet_insecure_randomness_collective_flip

* Millau node

* Removed session historial

* TMP: just try disable all fetches

* Docs in gitlab.yml

* Create CLI tool for generating indirect runtimes code

* Use the generated runtime for rialto parachain

* Avoid autogenerated files when executing cargo spellcheck

* Fix clippy warning