[MacPorts] #61149: wkhtmltopdf: update to 0.12.6

[MacPorts]

#61149: wkhtmltopdf: update to 0.12.6
--------------------------+------------------------
  Reporter:  nickgaya     |      Owner:  neverpanic
      Type:  update       |     Status:  assigned
  Priority:  Normal       |  Milestone:
 Component:  ports        |    Version:
Resolution:               |   Keywords:
      Port:  wkhtmltopdf  |
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Changes (by mf2k):

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


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Ticket URL: <https://trac.macports.org/ticket/61149#comment:3>
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