* Update to latest Substrate master

* upgrade decl_storage declaration

* Companion PR to Substrate#4752

* Substrate update: Identity should bound additional fields (#4770)

Substrate commit: 2c9ce7296b19934b1ffd50150be2fdb2ddf81a4e

* WIP

* WIP

* Updated substrate and fixes

* Fix compilation and switch to latest wasm-builder-runner

* Fixed missing doc

* Update collator/src/lib.rs

Co-authored-by: Bastian Köcher <bkchr@users.noreply.github.com>
Co-authored-by: thiolliere <gui.thiolliere@gmail.com>
Co-authored-by: Pierre Krieger <pierre.krieger1708@gmail.com>
Co-authored-by: Cecile Tonglet <cecile.tonglet@cecton.com>