[MacPorts] #50083: p5-net-ssh2: update to version 0.56.

[MacPorts]

#50083: p5-net-ssh2: update to version 0.56.
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 Reporter:  devans@…  |      Owner:  mni@…
     Type:  update    |     Status:  new
 Priority:  Normal    |  Milestone:
Component:  ports     |    Version:  2.3.4
 Keywords:  haspatch  |       Port:  p5-net-ssh2
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 Attached patch updates p5-net-ssh2 to version 0.56, add license and
 openmaintainer.  Let us know if you agree to these changes.  Thanks.

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Ticket URL: <https://trac.macports.org/ticket/50083>
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