Release / chore: update relay (#515) * chore: update relay * fix: missing credentials * fix: use role for Main account * fix: remove extra command * chore: give time for IRN to start * fix: sccache * chore: use dockerized relay * chore: fix host.docker.internal * chore: remove need for relay .env

Release / chore: update relay (#515) * chore: update relay * fix: missing credentials * fix: use role for Main account * fix: remove extra command * chore: give time for IRN to start * fix: sccache * chore: use dockerized relay * chore: fix host.docker.internal * chore: remove need for relay .env #210