[MacPorts] #54450: py-docker @1.8.1: Update to 2.4.2

[MacPorts]

#54450: py-docker @1.8.1: Update to 2.4.2
------------------------+-----------------
  Reporter:  zdw        |      Owner:
      Type:  update     |     Status:  new
  Priority:  Normal     |  Milestone:
 Component:  ports      |    Version:
Resolution:             |   Keywords:
      Port:  py-docker  |
------------------------+-----------------
Changes (by mf2k):

 * version:  2.4.1 =>


Old description:

> Update py-docker to version 2.4.2
>
> Note - this depends on this new port: {{{ py-dockerpy-creds }}}, which is
> submitted here: https://trac.macports.org/ticket/54449
>
> This will break the {{{ docker-compose }}} port unless it is updated.
> Will link to that patch for that once submitted.

New description:

 Update py-docker to version 2.4.2

 Note - this depends on this new port: {{{ py-dockerpy-creds }}}, which is
 submitted here: #54449

 This will break the {{{ docker-compose }}} port unless it is updated.
 Will link to that patch for that once submitted.

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Ticket URL: <https://trac.macports.org/ticket/54450#comment:1>
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