[MacPorts] #53887: upgrade mandoc to 1.14.1

[MacPorts]

#53887: upgrade mandoc to 1.14.1
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  Reporter:  janstary  |      Owner:  grimreaper
      Type:  update    |     Status:  assigned
  Priority:  Normal    |  Milestone:
 Component:  ports     |    Version:
Resolution:            |   Keywords:  haspatch maintainer
      Port:  mandoc    |
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Comment (by janstary):

 diff attached

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Ticket URL: <https://trac.macports.org/ticket/53887#comment:6>
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