[MacPorts] #67622: mlt: update to 7.22.0 (was: mlt: update to 7.16.0)

[MacPorts]

#67622: mlt: update to 7.22.0
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  Reporter:  mohd-akram  |      Owner:  (none)
      Type:  update      |     Status:  new
  Priority:  Normal      |  Milestone:
 Component:  ports       |    Version:
Resolution:              |   Keywords:
      Port:  mlt         |
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Ticket URL: <https://trac.macports.org/ticket/67622#comment:3>
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