[MacPorts] #66958: xonsh: add Python 3.11 variant

[MacPorts]

#66958: xonsh: add Python 3.11 variant
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  Reporter:  wltb         |      Owner:  Schamschula
      Type:  enhancement  |     Status:  assigned
  Priority:  Normal       |  Milestone:
 Component:  ports        |    Version:
Resolution:               |   Keywords:
      Port:  xonsh        |
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Comment (by Schamschula):

 IIRC, the last update to {{{xonsh}}} was last year.

 I'll check to see if all the dependencies are satisfied before adding the
 py311 subport.

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Ticket URL: <https://trac.macports.org/ticket/66958#comment:2>
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