[MacPorts] #43822: grep updated to 2.19

[MacPorts]

#43822: grep updated to 2.19
----------------------------+--------------------------------
 Reporter:  mschamschula@…  |      Owner:  macports-tickets@…
     Type:  update          |     Status:  new
 Priority:  Normal          |  Milestone:
Component:  ports           |    Version:  2.3.0
 Keywords:                  |       Port:  grep
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 GNU grep has been updated upstram to version @2.19.

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Ticket URL: <https://trac.macports.org/ticket/43822>
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