[MacPorts] #57064: update py-awscli to 1.16.4

[MacPorts]

#57064: update py-awscli to 1.16.4
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 Reporter:  pmetzger  |      Owner:  pixilla
     Type:  update    |     Status:  assigned
 Priority:  Normal    |  Milestone:
Component:  ports     |    Version:
 Keywords:            |       Port:  py-awscli
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 py-awscli has been updated by AWS to 1.16.4

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Ticket URL: <https://trac.macports.org/ticket/57064>
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