[MacPorts] #64056: mercurial @5.9.3_1: update to 6.0

[MacPorts]

#64056: mercurial @5.9.3_1: update to 6.0
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 Reporter:  l2dy    |      Owner:  danchr
     Type:  update  |     Status:  assigned
 Priority:  Normal  |  Milestone:
Component:  ports   |    Version:
 Keywords:          |       Port:  mercurial
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Ticket URL: <https://trac.macports.org/ticket/64056>
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