[MacPorts] #42245: doxygen @1.8.5_3: update to 1.8.6

[MacPorts]

#42245: doxygen @1.8.5_3: update to 1.8.6
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  Reporter:  egall@…  |      Owner:  macports-tickets@…
      Type:  defect   |     Status:  new
  Priority:  Normal   |  Milestone:
 Component:  ports    |    Version:  2.2.1
Resolution:           |   Keywords:
      Port:  doxygen  |
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Comment (by egall@…):

 Oops forgot to set the type to "update" instead of "defect" (sorry)

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Ticket URL: <https://trac.macports.org/ticket/42245#comment:1>
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