[SAC] [OSGeo] #2648: Upgrade tracsvn gitea to latest version - 1.15.3

[OSGeo]

#2648: Upgrade tracsvn gitea to latest version - 1.15.3
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 Reporter:  robe           |      Owner:  sac@…
     Type:  task           |     Status:  new
 Priority:  normal         |  Milestone:  Sysadmin Contract 2021-II
Component:  Systems Admin  |   Keywords:
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Ticket URL: <https://trac.osgeo.org/osgeo/ticket/2648>
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