[MacPorts] #55906: qgis3: Update to 3.0.0

[MacPorts]

#55906: qgis3: Update to 3.0.0
-------------------------+----------------------
  Reporter:  ryandesign  |      Owner:  Veence
      Type:  update      |     Status:  new
  Priority:  Normal      |  Milestone:
 Component:  ports       |    Version:
Resolution:              |   Keywords:  haspatch
      Port:  qgis3       |
-------------------------+----------------------

Comment (by Ryan Schmidt <git@…>):

 In [changeset:"9628d644481cd4b5a0a4d3761bb37271fc156358/macports-ports"
 9628d644481cd4b5a0a4d3761bb37271fc156358/macports-ports]:
 {{{
 #!ConfigurableCommitTicketReference repository="macports-ports"
 revision="9628d644481cd4b5a0a4d3761bb37271fc156358"
 qgis3: Use cxx11 1.1 portgroup

 See: https://trac.macports.org/ticket/55863
 See: https://trac.macports.org/ticket/55906
 }}}

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Ticket URL: <https://trac.macports.org/ticket/55906#comment:6>
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