[MacPorts] #67520: Support notify_is_valid_token to allow Go 1.20+ binaries to run on older than 10.10

[MacPorts]

#67520: Support notify_is_valid_token to allow Go 1.20+ binaries to run on older
than 10.10
-----------------------------+--------------------
  Reporter:  krackers        |      Owner:  (none)
      Type:  enhancement     |     Status:  new
  Priority:  Normal          |  Milestone:
 Component:  ports           |    Version:
Resolution:                  |   Keywords:
      Port:  legacy-support  |
-----------------------------+--------------------
Changes (by krackers):

 * type:  defect => enhancement


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Ticket URL: <https://trac.macports.org/ticket/67520#comment:1>
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