Merge branch '605-upgrade-to-typo3-v10-4-20' into 'develop'

Resolve "Upgrade to TYPO3 v10.4.20"

Closes #605

See merge request !446
7 jobs for develop in 7 minutes and 52 seconds (queued for 7 seconds)
Status Job ID Name Coverage
  Maintenance
manual Get dump for local environment #436370
allowed to fail manual
 
  Test
passed test:php #436372

00:01:41

passed test:typoscript #436371

00:01:43

 
  Build
passed build #436373

00:00:44

 
  Layout
passed layout #436374

00:01:31

 
  Deploy
passed deploy-develop #436375

00:03:22

 
  Badges
passed Create Badge #436376

00:00:30