[OSGeo] #3079: secure upgrade to bookworm

[OSGeo]

#3079: secure upgrade to bookworm
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 Reporter:  robe      |      Owner:  sac@…
     Type:  task      |     Status:  new
 Priority:  normal    |  Milestone:  Sysadmin Contract 2024-I
Component:  SysAdmin  |   Keywords:
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 Secure is currently at bullseye.  Going to upgrade it to bookworm.

 I'll test first on staging.
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Ticket URL: <https://trac.osgeo.org/osgeo/ticket/3079>
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