[MacPorts] #56920: py-pyobjc: update to 4.2.2, update homepage

[MacPorts]

#56920: py-pyobjc: update to 4.2.2, update homepage
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  Reporter:  pmetzger   |      Owner:  (none)
      Type:  update     |     Status:  assigned
  Priority:  Normal     |  Milestone:
 Component:  ports      |    Version:
Resolution:             |   Keywords:
      Port:  py-pyobjc  |
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Comment (by pmetzger):

 Sorry for being too vague when I filed it. I'm running on very little
 sleep. :(

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Ticket URL: <https://trac.macports.org/ticket/56920#comment:11>
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