[PostGIS] #6025: Upgrade debbie jenkins and nodes

[PostGIS]

#6025: Upgrade debbie jenkins and nodes
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 Reporter:  robe          |      Owner:  robe
     Type:  defect        |     Status:  new
 Priority:  medium        |  Milestone:  Website Management, Bots
Component:  QA/buildbots  |    Version:
 Keywords:                |
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 All jenkins and nodes are using Java OpenJDK 17.  this will be EOL in
 March 2026 and the newest stable Jenkins 2.540 does not support JDK 17.

 In doing so I've already upgrade debbie from Bullseye to Trixie as trixie
 has JDK 25 already in main repo.

 But I'll need to upgrade the Berries and Bessies as well.

 Winnie I had already upgrade a couple of months ago to OpenJDK 25 and
 she's been running the latest jenkins since.
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Ticket URL: <https://trac.osgeo.org/postgis/ticket/6025>
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