Plantuml support in CI and slight changes

3 jobs for doc_update in 24 seconds (queued for 3 seconds)
Status Job ID Name Coverage
  Test
failed #270238
docker
testing

00:00:24

failed #270236
docker
testing

00:00:26

 
  Syntaxe
skipped #270237
docker
flake8
 
Name Stage Failure
failed
testing Test There is an unknown failure, please try again
No job log