[MacPorts] #44488: Metaproxy updated from 1.3.59 to 1.5.7

[MacPorts]

#44488: Metaproxy updated from 1.3.59 to 1.5.7
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 Reporter:  dlc@…                 |      Owner:  macports-tickets@…
     Type:  update                |     Status:  new
 Priority:  Normal                |  Milestone:
Component:  ports                 |    Version:
 Keywords:  haspatch, maintainer  |       Port:  metaproxy
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Ticket URL: <https://trac.macports.org/ticket/44488>
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