[MacPorts] #69409: dot2tex: use python 3.12 instead of 3.11

[MacPorts]

#69409: dot2tex: use python 3.12 instead of 3.11
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  Reporter:  jowens       |      Owner:  nerdling
      Type:  enhancement  |     Status:  assigned
  Priority:  Normal       |  Milestone:
 Component:  ports        |    Version:
Resolution:               |   Keywords:
      Port:  dot2tex      |
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Comment (by jowens):

 python 3.13 would be great too!

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Ticket URL: <https://trac.macports.org/ticket/69409#comment:2>
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