[metrics-bugs] #21578 [Metrics/Metrics website]: Resolve deprecation warnings after upgrading to metrics-lib 1.6.0

[Tor Bug Tracker & Wiki]

#21578: Resolve deprecation warnings after upgrading to metrics-lib 1.6.0
-------------------------------------+------------------------------
 Reporter:  karsten                  |          Owner:  metrics-team
     Type:  defect                   |         Status:  merge_ready
 Priority:  Medium                   |      Milestone:
Component:  Metrics/Metrics website  |        Version:
 Severity:  Normal                   |     Resolution:
 Keywords:                           |  Actual Points:
Parent ID:                           |         Points:
 Reviewer:                           |        Sponsor:
-------------------------------------+------------------------------
Changes (by iwakeh):

 * status:  needs_review => merge_ready


Comment:

 All deprecation warnings are gone.
 Merge ready.

--
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/21578#comment:2>
Tor Bug Tracker & Wiki <https://trac.torproject.org/>
The Tor Project: anonymity online