[MacPorts] #65282: CI runs on users' fork without opting-in

[MacPorts]

#65282: CI runs on users' fork without opting-in
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  Reporter:  reneeotten     |      Owner:  catap
      Type:  defect         |     Status:  assigned
  Priority:  Normal         |  Milestone:
 Component:  buildbot/mpbb  |    Version:  2.7.2
Resolution:                 |   Keywords:  CI
      Port:                 |
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Comment (by mascguy):

 For now, I've disabled all Actions for my fork.

 But yes, we should revisit, and see if there's been GitHub changes that
 affected this.

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Ticket URL: <https://trac.macports.org/ticket/65282#comment:1>
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