[MacPorts] #66036: Buildbot failures for macOS 11 x86_64

[MacPorts]

#66036: Buildbot failures for macOS 11 x86_64
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  Reporter:  herbygillot    |      Owner:  admin@…
      Type:  defect         |     Status:  new
  Priority:  Normal         |  Milestone:
 Component:  buildbot/mpbb  |    Version:
Resolution:                 |   Keywords:
      Port:                 |
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Comment (by jmroot):

 It would have been better if we'd remembered this needed updating and put
 something in place that would work with both Tcl versions, but it will
 start working again once the workers selfupdate to the new base version.

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Ticket URL: <https://trac.macports.org/ticket/66036#comment:1>
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