[OSGeo] #3051: Upgrade weblate to 5.3

[OSGeo]

#3051: Upgrade weblate to 5.3
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 Reporter:  robe      |       Owner:  sac@…
     Type:  task      |      Status:  closed
 Priority:  normal    |   Milestone:  Sysadmin Contract 2023-I
Component:  SysAdmin  |  Resolution:  fixed
 Keywords:            |
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Changes (by robe):

 * status:  new => closed
 * resolution:   => fixed

Comment:

 Done.  Had to upgrade to 5.0.2 first cause I guess 5.0 was not good enough
 for a clean database migration.
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Ticket URL: <https://trac.osgeo.org/osgeo/ticket/3051#comment:1>
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