[MacPorts] #39738: Update gnumeric @0.10.17 to 0.12.4

[MacPorts]

#39738: Update gnumeric @0.10.17 to 0.12.4
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  Reporter:  c.herbig@…  |      Owner:  macports-tickets@…
      Type:  update      |     Status:  new
  Priority:  Normal      |  Milestone:
 Component:  ports       |    Version:
Resolution:              |   Keywords:  haspatch
      Port:  gnumeric    |
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Comment (by c.herbig@…):

 I haven't removed it from the portfile yet, but the following config
 argument is now no longer recognized: --disable-schema-install

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Ticket URL: <https://trac.macports.org/ticket/39738#comment:20>
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