Fix ESLint errors from gitlab cii

tom konda → made their first commit to this issue’s fork.

It would be great to commit the .gitlab-ci.yml first.

@danrod what do you mean? It's already inside: https://git.drupalcode.org/project/pwa/-/blob/2.x/.gitlab-ci.yml?ref_typ...

@anybody thanks, sorry, I didn't see it for some reason.

I can help with fixing some of the PHPCS / PHPSTAN / ESLINT , now that I have some free time now and I use this module often.