[MacPorts] #69900: graphviz, graphviz-devel: update to 12.x

[MacPorts]

#69900: graphviz, graphviz-devel: update to 12.x
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  Reporter:  mohd-akram                |      Owner:  mascguy
      Type:  update                    |     Status:  closed
  Priority:  Normal                    |  Milestone:
 Component:  ports                     |    Version:
Resolution:  fixed                     |   Keywords:
      Port:  graphviz, graphviz-devel  |
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Changes (by mascguy):

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


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Ticket URL: <https://trac.macports.org/ticket/69900#comment:5>
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