[MacPorts] #42772: Update igraph to 0.7.0

[MacPorts]

#42772: Update igraph to 0.7.0
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  Reporter:  szhorvat@…  |      Owner:  snc@…
      Type:  update      |     Status:  new
  Priority:  Normal      |  Milestone:
 Component:  ports       |    Version:
Resolution:              |   Keywords:
      Port:  igraph      |
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Changes (by macsforever2000@…):

 * owner:  macports-tickets@… => snc@…
 * cc: snc@… (removed)
 * version:  2.2.1 =>


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Ticket URL: <https://trac.macports.org/ticket/42772#comment:1>
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