v7.4.21

Changelog (v7.4.20...v7.4.21)

• minor #66903 Fix Tagalog (tl) translations and typos (@jcparucha)
• bug #66861 Guess the enum type of private properties declared by parent classes (@nicolas-grekas)
• bug #66859 Fix CurrencyType with active_at set to null (@nicolas-grekas)
• bug #66776 Validate the data of the current step of a form flow (@nicolas-grekas)
• minor #66698 Review Bulgarian translations (@DRaichev)
• minor #66648 Reviewed Greek translations (@angeliszotis)
• minor #66545 Fix Urdu translations (@nicolas-grekas)
• minor #66601 Review Japanese translations (@akine)
• minor #66518 Fix Urdu translations (@Anwishazaman)
• minor #66525 Review Turkish (tr) translations (@mmustafasenoglu)
• minor #66488 Fix malformed placeholders in translations (@nicolas-grekas)
• minor #66486 Review Persian (fa) translations (@amirreza-khaleghverdi)