[MacPorts] #54833: MacVim @8.0.snapshot136: update to 137

[MacPorts]

#54833: MacVim @8.0.snapshot136: update to 137
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 Reporter:  l2dy    |      Owner:  raimue
     Type:  update  |     Status:  new
 Priority:  Normal  |  Milestone:
Component:  ports   |    Version:
 Keywords:          |       Port:  MacVim
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Ticket URL: <https://trac.macports.org/ticket/54833>
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