[MacPorts] #68472: Move topgrade URL to active github project

[MacPorts]

#68472: Move topgrade URL to active github project
---------------------------+----------------------
  Reporter:  CryoRenegade  |      Owner:  lhaeger
      Type:  request       |     Status:  assigned
  Priority:  Normal        |  Milestone:
 Component:  ports         |    Version:
Resolution:                |   Keywords:
      Port:  topgrade      |
---------------------------+----------------------
Changes (by jmroot):

 * owner:  (none) => lhaeger
 * status:  new => assigned


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Ticket URL: <https://trac.macports.org/ticket/68472#comment:1>
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