[tor-bugs] #22141 [Metrics/metrics-lib]: Deprecate `DescriptorFile` and add relevant information to `Descriptor`

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#22141: Deprecate `DescriptorFile` and add relevant information to `Descriptor`
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 Reporter:  karsten              |          Owner:  karsten
     Type:  enhancement          |         Status:  needs_review
 Priority:  Medium               |      Milestone:  metrics-lib 1.9.0
Component:  Metrics/metrics-lib  |        Version:
 Severity:  Normal               |     Resolution:
 Keywords:                       |  Actual Points:
Parent ID:                       |         Points:
 Reviewer:                       |        Sponsor:
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Comment (by karsten):

 Thanks!  Please review [https://gitweb.torproject.org/user/karsten
 /metrics-lib.git/log/?h=task-22141-2 my task-22141-2 branch], which
 contains your patch, is rebased to master, contains more detailed change
 log entries, has a meaningful commit message for the big commit, and
 includes another commit with a small improvement found while testing.

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/22141#comment:32>
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