[extensions-web] (5 commits) Non-fast-forward update to branch feature/custom-user-class-step2

[Yuri Konotopov <ykonotopov src gnome org>]

The branch 'feature/custom-user-class-step2' was changed in a way that was not a fast-forward update.
NOTE: This may cause problems for people pulling from the branch. For more information,
please see:

 https://wiki.gnome.org/Git/Help/NonFastForward

Commits removed from the branch:

  d58d573... users: migrate to custom User class
  d507362... */*: a bit more formatting

Commits added to the branch:

  5deaff8... Add CI jobs for building and pushing Docker image to Quay (*)
  38132d4... ci: Add job for pushing frontend image to Quay (*)
  90c882a... ci: Switch frontend to fully qualified base image (*)
  3132bf5... users: migrate to custom User class
  32aff8f... */*: a bit more formatting

(*) This commit already existed in another branch; no separate mail sent