[MacPorts] #68269: libpixman{,-devel}: update to latest release; currently 0.42.x; required by latest release of cairo

[MacPorts]

#68269: libpixman{,-devel}: update to latest release; currently 0.42.x; required by
latest release of cairo
----------------------------------------+----------------------
  Reporter:  mascguy                    |      Owner:  mascguy
      Type:  update                     |     Status:  assigned
  Priority:  Normal                     |  Milestone:
 Component:  ports                      |    Version:  2.8.1
Resolution:                             |   Keywords:  haspatch
      Port:  libpixman libpixman-devel  |
----------------------------------------+----------------------
Changes (by mascguy):

 * owner:  ryandesign => mascguy
 * cc: ryandesign (added)


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Ticket URL: <https://trac.macports.org/ticket/68269#comment:15>
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