[MacPorts] #30074: Update jruby port to 1.6.3

[MacPorts]

#30074: Update jruby port to 1.6.3
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 Reporter:  jendave@…          |       Owner:  ameingast@…        
     Type:  defect             |      Status:  new                
 Priority:  Normal             |   Milestone:                     
Component:  ports              |     Version:  1.9.2              
 Keywords:  haspatch           |        Port:  jruby              
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Comment(by jmr@…):

 Note that the diff is reversed.

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Ticket URL: <https://trac.macports.org/ticket/30074#comment:2>
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