[MacPorts] #55985: Upgrade Autopsy port to 4.6

[MacPorts]

#55985: Upgrade Autopsy port to 4.6
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  Reporter:  dershow  |      Owner:  neverpanic
      Type:  update   |     Status:  assigned
  Priority:  Normal   |  Milestone:
 Component:  ports    |    Version:
Resolution:           |   Keywords:
      Port:  autopsy  |
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Comment (by dershow):

 Autopsy just released 4.7 and of the changes is that it again officially
 support OSX (it hasn't in many years).  It includes install instructions
 that use brew, but this seems like a good opportunity to update to 4.7.
 See:  [https://www.autopsy.com/autopsy-4-7-includes-link-analysis-
 database-viewers-triage-and-more/]
 and specific instructions here:
 [https://github.com/sleuthkit/autopsy/blob/autopsy-4.7.0/Running_Linux_OSX.txt]

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Ticket URL: <https://trac.macports.org/ticket/55985#comment:2>
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