[MacPorts] #60631: scidavis: Update to 2.3.0

[MacPorts]

#60631: scidavis: Update to 2.3.0
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 Reporter:  ryandesign  |      Owner:  NicosPavlov
     Type:  update      |     Status:  assigned
 Priority:  Normal      |  Milestone:
Component:  ports       |    Version:
 Keywords:              |       Port:  scidavis
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 scidavis 2.3.0 was released yesterday.

 https://sourceforge.net/projects/scidavis/files/SciDAVis/2/2.3/

 The port's livecheck should be updated so that it can find new releases.

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Ticket URL: <https://trac.macports.org/ticket/60631>
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