[MacPorts] #59927: bison: update to 3.8

[MacPorts]

#59927: bison: update to 3.8
------------------------+----------------------
  Reporter:  ballapete  |      Owner:  mascguy
      Type:  defect     |     Status:  assigned
  Priority:  Normal     |  Milestone:
 Component:  ports      |    Version:  2.6.2
Resolution:             |   Keywords:
      Port:  bison      |
------------------------+----------------------

Comment (by akimd):

 I think we are getting close.  The "skip" is because `seq` is not
 available.  The test failures are due to g++ not supporting
 `std::vector::data`, so I ruled this compiler out.

 Please try
 https://www.lrde.epita.fr/~akim/private/bison/bison-3.7.6.371-024f.tar.xz.

 Cheers!

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Ticket URL: <https://trac.macports.org/ticket/59927#comment:66>
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