[MacPorts] #67265: tortoisehg: Update to 6.4.2 (was: Update TortoiseHg to 6.4)

[MacPorts]

#67265: tortoisehg: Update to 6.4.2
---------------------------------+--------------------
  Reporter:  Themanwithoutaplan  |      Owner:  (none)
      Type:  update              |     Status:  new
  Priority:  Normal              |  Milestone:
 Component:  ports               |    Version:  2.8.1
Resolution:                      |   Keywords:
      Port:  tortoisehg          |
---------------------------------+--------------------
Changes (by ryandesign):

 * type:  defect => update


Comment:

 I'm splitting your application name change request into a new ticket
 #67342 so that we can update the port (which is easy) and close this
 ticket while we ponder how to fix the other issue.

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Ticket URL: <https://trac.macports.org/ticket/67265#comment:1>
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