[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:  assigned
  Priority:  Normal            |  Milestone:
 Component:  ports             |    Version:
Resolution:                    |   Keywords:
      Port:  igraph py-igraph  |
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Changes (by snc@…):

 * port:  igraph => igraph py-igraph


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Ticket URL: <https://trac.macports.org/ticket/42772#comment:3>
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