[MacPorts] #42283: gramps: bump to 3.4.7

[MacPorts]

#42283: gramps: bump to 3.4.7
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  Reporter:  ctreleaven@…  |      Owner:  devans@…
      Type:  update        |     Status:  closed
  Priority:  Normal        |  Milestone:
 Component:  ports         |    Version:  2.2.1
Resolution:  fixed         |   Keywords:
      Port:  gramps        |
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Comment (by devans@…):

 FYI, gramps is now updated to version 4.0.4 and a new port gramps3 has
 been created as a legacy gtk2 version (3.4.8).  An upgrade to version
 4.1.0 is now in testing and should be committed in the next week or so.

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Ticket URL: <https://trac.macports.org/ticket/42283#comment:4>
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