[MacPorts] #52404: Update gnucash ports to use webkit2-gtk

[MacPorts]

#52404: Update gnucash ports to use webkit2-gtk
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  Reporter:  jeremyhu               |      Owner:  drkp
      Type:  defect                 |     Status:  new
  Priority:  Normal                 |  Milestone:
 Component:  ports                  |    Version:  2.3.4
Resolution:                         |   Keywords:
      Port:  gnucash gnucash-devel  |
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Comment (by dbevans):

 The current unstable branch of gnucash has been ported to gtk3 and uses
 webkit2-gtk.  See #55446.

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Ticket URL: <https://trac.macports.org/ticket/52404#comment:4>
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