[MacPorts] #49982: perl5: change default perl from 5.16 to 5.22

[MacPorts]

#49982: perl5: change default perl from 5.16 to 5.22
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  Reporter:  devans@…  |      Owner:  devans@…
      Type:  defect    |     Status:  new
  Priority:  Normal    |  Milestone:
 Component:  ports     |    Version:
Resolution:            |   Keywords:
      Port:  perl5     |
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Comment (by mojca@…):

 David, in order to avoid opening too many tickets I'm attaching my
 proposal for a `perl5` port that unifies all perl5-related ports. I didn't
 add the patchfiles yet (there are tiny differences, so I would need to
 rename them first). It's not exactly related to the issue at hand, but
 what do you think?

 Feel free to proceed with the rest of the changes needed to make 5.22 the
 default Perl.

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Ticket URL: <https://trac.macports.org/ticket/49982#comment:1>
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