[MacPorts] #69661: Disable Homebrew on Apple Silicon GitHub Actions CI runners

[MacPorts]

#69661: Disable Homebrew on Apple Silicon GitHub Actions CI runners
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  Reporter:  ryandesign      |      Owner:  admin@…
      Type:  defect          |     Status:  new
  Priority:  Normal          |  Milestone:
 Component:  server/hosting  |    Version:
Resolution:                  |   Keywords:
      Port:                  |
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Comment (by jmroot):

 In [changeset:"55d389d538d03e817bbed26f37d6de821ae0cbde/macports-base"
 55d389d538d03e817bbed26f37d6de821ae0cbde/macports-base] (master):
 {{{
 #!ConfigurableCommitTicketReference repository="macports-base"
 revision="55d389d538d03e817bbed26f37d6de821ae0cbde"
 CI: Control configure environment

 See: https://trac.macports.org/ticket/69661
 }}}

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Ticket URL: <https://trac.macports.org/ticket/69661#comment:5>
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