[MacPorts] #58029: vtk: Update to 8.2.0

[MacPorts]

#58029: vtk: Update to 8.2.0
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  Reporter:  luzpaz  |      Owner:  stromnov
      Type:  update  |     Status:  assigned
  Priority:  Normal  |  Milestone:
 Component:  ports   |    Version:
Resolution:          |   Keywords:
      Port:  vtk     |
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Comment (by mf2k):

 Thanks. [https://guide.macports.org/#development.patches Per the
 guidelines], please instead attach a unified diff of the Portfile so we
 can easily see what changes you are proposing. Or better yet,
 [wiki:WorkingWithGit#pr submit a pull request].

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Ticket URL: <https://trac.macports.org/ticket/58029#comment:4>
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