[MacPorts] #43462: update lua-luasocket to 3.0-rc1, compatible with lua 5.2

[MacPorts]

#43462: update lua-luasocket to 3.0-rc1, compatible with lua 5.2
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  Reporter:  ionic@…        |      Owner:  macports-tickets@…
      Type:  update         |     Status:  new
  Priority:  Normal         |  Milestone:
 Component:  ports          |    Version:  2.2.1
Resolution:                 |   Keywords:  haspatch
      Port:  lua-luasocket  |
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Comment (by ionic@…):

 Please be also sure to remove the now-unneeded patch-config.diff file.

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Ticket URL: <https://trac.macports.org/ticket/43462#comment:1>
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