* Substrate Companion for rust 1.54

* CI: run with a staging CI image

* Revert "CI: run with a staging CI image"

This reverts commit f3b51da0

.

* CI: debug, again

* compilation fixes

* tabify

* update Substrate

* Update .gitlab-ci.yml

* CI: add ubuntu-based image with npm

Co-authored-by: Denis P <denis.pisarev@parity.io>
Co-authored-by: Andronik Ordian <write@reusable.software>
Co-authored-by: thiolliere <gui.thiolliere@gmail.com>
Co-authored-by: parity-processbot <>