Improve scheduling objects deletion (#249)

Bump version

Keep subscriptions

issue templates (#250)

Linting

Birthday service revamp (#246)

Symfony 7.4 (#248)

Use id instead of username (#243)

Chore: improve CI (#247)

Fix SharingPlugin replacement

[FEAT] Add (limited) API endpoint (#237)

Remove uneeded translation files, add FR

[Chore] Fix public calendar behavior (#239)

Update README.md

Prepare 5.4.0