[MacPorts] #41011: duplicity update to 0.6.22

[MacPorts]

#41011: duplicity update to 0.6.22
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 Reporter:  arno@…    |      Owner:  macports-tickets@…
     Type:  update    |     Status:  new
 Priority:  Normal    |  Milestone:
Component:  ports     |    Version:  2.2.1
 Keywords:  haspatch  |       Port:  duplicity
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 portfile diff attached

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Ticket URL: <https://trac.macports.org/ticket/41011>
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