[MacPorts] #28849: tig: update to 0.17

[MacPorts]

#28849: tig: update to 0.17
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 Reporter:  ocroquette@…         |       Owner:  ryandesign@…           
     Type:  update               |      Status:  assigned               
 Priority:  Normal               |   Milestone:                         
Component:  ports                |     Version:                         
 Keywords:  haspatch maintainer  |        Port:  tig                    
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Comment(by ocroquette@…):

 Correct, I don't want to maintain it anymore.

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Ticket URL: <https://trac.macports.org/ticket/28849#comment:4>
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