[MacPorts] #51310: ImageMagick: update to 7.x

[MacPorts]

#51310: ImageMagick: update to 7.x
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  Reporter:  mopihopi     |      Owner:  ryandesign
      Type:  update       |     Status:  assigned
  Priority:  Normal       |  Milestone:
 Component:  ports        |    Version:
Resolution:               |   Keywords:
      Port:  ImageMagick  |
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Comment (by joostdekeijzer):

 This is so cool [comment:84 Dave-Allured], thank you!

 Followup for php-imagick #69390 :)

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Ticket URL: <https://trac.macports.org/ticket/51310#comment:85>
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