Merge branch 'hotfix3.4.3' into 'develop'

Prevent users who just upgraded from 2.9x from seeing required updates for a week.

See merge request !3757
2 jobs from issue#3280 in 1 minute and 32 seconds
Status Job ID Name Coverage
  Testing
passed #2520
phpunit

00:00:39

 
  Security
passed #2521
allowed to fail
sast

00:00:52