[MacPorts] #54440: py-Pillow @4.1.1: Update to 4.2.1

[MacPorts]

#54440: py-Pillow @4.1.1: Update to 4.2.1
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 Reporter:  radarhere  |      Owner:
     Type:  update     |     Status:  new
 Priority:  Normal     |  Milestone:
Component:  ports      |    Version:
 Keywords:  haspatch   |       Port:  py-Pillow
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Ticket URL: <https://trac.macports.org/ticket/54440>
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