[MacPorts] #62560: zig: update to 0.7.1

[MacPorts]

#62560: zig: update to 0.7.1
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  Reporter:  gpanders  |      Owner:  felix@…
      Type:  update    |     Status:  assigned
  Priority:  Normal    |  Milestone:
 Component:  ports     |    Version:
Resolution:            |   Keywords:
      Port:  zig       |
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Comment (by kencu):

 People are invited to kick the tires on this PR.

 I put this lld addition to the clang-11 port together for some early
 testers <https://github.com/macports/macports-ports/pull/10404>

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Ticket URL: <https://trac.macports.org/ticket/62560#comment:4>
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