[MacPorts] #46510: Update ack to 5.14 and perl5.18 support

[MacPorts]

#46510: Update ack to 5.14 and perl5.18 support
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 Reporter:  Mathias.Laurin+macports.org@…  |      Owner:  macports-
     Type:  enhancement                    |  tickets@…
 Priority:  Normal                         |     Status:  new
Component:  ports                          |  Milestone:
 Keywords:                                 |    Version:  2.3.3
                                           |       Port:
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Ticket URL: <https://trac.macports.org/ticket/46510>
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