[MacPorts] #62850: rebar3 @3.12.0: update to 3.15.1

[MacPorts]

#62850: rebar3 @3.12.0: update to 3.15.1
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 Reporter:  l2dy    |      Owner:  ci42
     Type:  update  |     Status:  assigned
 Priority:  Normal  |  Milestone:
Component:  ports   |    Version:
 Keywords:          |       Port:  rebar3
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Ticket URL: <https://trac.macports.org/ticket/62850>
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