[MacPorts] #56478: Update mpfr to version 4.0.1

[MacPorts]

#56478: Update mpfr to version 4.0.1
------------------------+--------------------
 Reporter:  BlackFrog1  |      Owner:  (none)
     Type:  update      |     Status:  new
 Priority:  Normal      |  Milestone:
Component:  ports       |    Version:
 Keywords:              |       Port:  mpfr
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 Updated port to version 4.0.1

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Ticket URL: <https://trac.macports.org/ticket/56478>
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