[MacPorts] #68364: rust: Update to 1.74.1

[MacPorts]

#68364: rust: Update to 1.74.1
--------------------------+---------------------------------
  Reporter:  Schamschula  |      Owner:  MarcusCalhoun-Lopez
      Type:  update       |     Status:  assigned
  Priority:  Normal       |  Milestone:
 Component:  ports        |    Version:  2.8.1
Resolution:               |   Keywords:
      Port:  rust         |
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Comment (by halostatue):

 Questions for interested parties:

 1. What is the subport {{{rust-bootstrap-transition}}} and is it still
 needed?
 2. Should we change the Python version from 3.11 to 3.12?

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Ticket URL: <https://trac.macports.org/ticket/68364#comment:11>
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