[MacPorts] #65030: qt6-qtcharts: add new port

[MacPorts]

#65030: qt6-qtcharts: add new port
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 Reporter:  sainnhe  |      Owner:  (none)
     Type:  request  |     Status:  new
 Priority:  Normal   |  Milestone:
Component:  ports    |    Version:
 Keywords:           |       Port:  qt6-qtcharts
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 Add qtcharts for qt6

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Ticket URL: <https://trac.macports.org/ticket/65030>
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