[MacPorts] #45453: Update PARI to 2.7.2

[MacPorts]

#45453: Update PARI to 2.7.2
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 Reporter:  watsonbladd@…  |      Owner:  macports-tickets@…
     Type:  update         |     Status:  new
 Priority:  Normal         |  Milestone:
Component:  ports          |    Version:  2.3.2
 Keywords:                 |       Port:  pari
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 Patch attached. I'm willing to be the maintainer.

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Ticket URL: <https://trac.macports.org/ticket/45453>
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