[MacPorts] #67611: displayplacer 1.4.0: update port to upstream's 1.4.0

[MacPorts]

#67611: displayplacer 1.4.0: update port to upstream's 1.4.0
--------------------+---------------------------
 Reporter:  JDLH    |      Owner:  (none)
     Type:  update  |     Status:  new
 Priority:  Normal  |  Milestone:
Component:  ports   |    Version:  2.8.1
 Keywords:          |       Port:  displayplacer
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 The upstream of port **displayplacer** upgraded to
 [https://github.com/jakehilborn/displayplacer/releases/tag/v1.4.0 version
 1.4.0] on 11 June 2023. Please update the port accordingly.

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Ticket URL: <https://trac.macports.org/ticket/67611>
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