[MacPorts] #73318: dia: Update to current 2025 upstream repo

[MacPorts]

#73318: dia: Update to current 2025 upstream repo
---------------------------+--------------------
  Reporter:  Dave-Allured  |      Owner:  (none)
      Type:  update        |     Status:  closed
  Priority:  Normal        |  Milestone:
 Component:  ports         |    Version:
Resolution:  fixed         |   Keywords:
      Port:  dia           |
---------------------------+--------------------
Changes (by neverpanic):

 * status:  new => closed
 * resolution:   => fixed


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Ticket URL: <https://trac.macports.org/ticket/73318#comment:9>
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