[MacPorts] #46242: p5-roman: update to version 1.23, drop perl branch 5.8, add 5.18 5.20.

[MacPorts]

#46242: p5-roman: update to version 1.23, drop perl branch 5.8, add 5.18 5.20.
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 Reporter:  devans@…  |      Owner:  james.toth@…
     Type:  defect    |     Status:  new
 Priority:  Normal    |  Milestone:
Component:  ports     |    Version:
 Keywords:            |       Port:  p5-roman
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 Attached is a proposed patch.  Please advise if you are actively
 maintaining this port.

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Ticket URL: <https://trac.macports.org/ticket/46242>
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