[MacPorts] #62165: Update to Graphviz 2.46.0

[MacPorts]

#62165: Update to Graphviz 2.46.0
---------------------------------------+------------------------
  Reporter:  jarrodmillman             |      Owner:  ryandesign
      Type:  update                    |     Status:  accepted
  Priority:  Normal                    |  Milestone:
 Component:  ports                     |    Version:
Resolution:                            |   Keywords:
      Port:  graphviz, graphviz-devel  |
---------------------------------------+------------------------
Changes (by ryandesign):

 * owner:  (none) => ryandesign
 * status:  new => accepted
 * port:   => graphviz, graphviz-devel


Comment:

 Yes, and graphviz-devel should be updated too. Since it has been so long
 since I updated the ports, there is much to be modernized in the ports.

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Ticket URL: <https://trac.macports.org/ticket/62165#comment:1>
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