[MacPorts] #53544: rust @1.15.0: update to 1.15.1

[MacPorts]

#53544: rust @1.15.0: update to 1.15.1
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 Reporter:  l2dy    |      Owner:
     Type:  update  |     Status:  new
 Priority:  Normal  |  Milestone:
Component:  ports   |    Version:
 Keywords:          |       Port:  rust
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Ticket URL: <https://trac.macports.org/ticket/53544>
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