[SAC] [OSGeo] #2739: Upgrade gitea to latest 1.16

[OSGeo]

#2739: Upgrade gitea to latest 1.16
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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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 We are currently at 1.15.6.  A number of security patches have been
 released.

 Plan is to upgrade to 1.16.4 (released 3 days ago).
 https://github.com/go-gitea/gitea/releases/tag/v1.16.4


 There is one breaking change I see of concern that might need some
 remediation after upgrade.

 https://github.com/go-gitea/gitea/releases/tag/v1.16.0

 Only allow webhook to send requests to allowed hosts (#17482)

 Need to check if this breaks dronie, jenkins, and weblate and any other
 webhooks we have in place.

 will test on osgeo4.  Plan to do this weekend

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Ticket URL: <https://trac.osgeo.org/osgeo/ticket/2739>
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