[SAC] [OSGeo] #2827: Upgrade osgeo3 lxd host to Ubuntu 22.04

[OSGeo]

#2827: Upgrade osgeo3 lxd host  to Ubuntu 22.04
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 Reporter:  robe           |      Owner:  sac@…
     Type:  task           |     Status:  new
 Priority:  normal         |  Milestone:  Sysadmin Contract 2022-II
Component:  Systems Admin  |   Keywords:
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 osgeo3 is currently running 20.04.  Plan to upgrade it to 22.04.

 Note osgeo4, it's closest compadre has already been upgraded to 22.04 with
 no issues.

 Should wait off till elections are over.
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Ticket URL: <https://trac.osgeo.org/osgeo/ticket/2827>
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