[metrics-bugs] #31398 [Metrics]: Add all metrics master branches to GitLab's CI

[Tor Bug Tracker & Wiki]

#31398: Add all metrics master branches to GitLab's CI
-----------------------------+--------------------------
     Reporter:  karsten      |      Owner:  metrics-team
         Type:  enhancement  |     Status:  new
     Priority:  Medium       |  Milestone:
    Component:  Metrics      |    Version:
     Severity:  Normal       |   Keywords:
Actual Points:               |  Parent ID:
       Points:               |   Reviewer:
      Sponsor:               |
-----------------------------+--------------------------
 We already have metrics-lib's master branch in GitLab's CI. Let's add the
 remaining master branches of related metrics code bases, too. This is the
 parent ticket for this effort.

--
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/31398>
Tor Bug Tracker & Wiki <https://trac.torproject.org/>
The Tor Project: anonymity online