[MacPorts] #62560: zig: update to 0.7.1

[MacPorts]

#62560: zig: update to 0.7.1
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  Reporter:  gpanders  |      Owner:  (none)
      Type:  update    |     Status:  new
  Priority:  Normal    |  Milestone:
 Component:  ports     |    Version:
Resolution:            |   Keywords:
      Port:  zig       |
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Comment (by kencu):

 Yuk:

 "Note that linking on macOS is still problematic due to deficiencies in
 LLD, however two things are happening on that front:

 New maintainers have taken over the Mach-O LLD codebase
 Jakub Konka began adding Mach-O support to Zig's self-hosted linker.
 "

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Ticket URL: <https://trac.macports.org/ticket/62560#comment:2>
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