[tor-bugs] #32110 [Core Tor/Tor]: Doxygen: update Doxyfile.in to latest version

[Tor Bug Tracker & Wiki]

#32110: Doxygen: update Doxyfile.in to latest version
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     Reporter:  nickm    |      Owner:  nickm
         Type:  defect   |     Status:  assigned
     Priority:  Medium   |  Milestone:  Tor: 0.4.3.x-final
    Component:  Core     |    Version:
  Tor/Tor                |   Keywords:  network-team-roadmap-november,
     Severity:  Normal   |  s31-docs
Actual Points:           |  Parent ID:  #29214
       Points:           |   Reviewer:
      Sponsor:           |
  Sponsor31-can          |
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 Our Doxyfile.in is based on a template from 1.5.6 from back in 2011.
 Let's update to a more recent version.

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/32110>
Tor Bug Tracker & Wiki <https://trac.torproject.org/>
The Tor Project: anonymity online