[MacPorts] #66106: Update to latest version and add py310 port

[MacPorts]

#66106: Update to latest version and add py310 port
---------------------+-------------------------
 Reporter:  gbarter  |      Owner:  (none)
     Type:  update   |     Status:  new
 Priority:  Normal   |  Milestone:
Component:  ports    |    Version:  2.8.0
 Keywords:           |       Port:  py-petsc4py
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 Macports is on v3.15 while PyPI is on 3.18.  It would also be great to
 have a py310 port available

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Ticket URL: <https://trac.macports.org/ticket/66106>
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