v5.47.3 CSP and Apple email fix

API

• Feature: Implemented Content-Security-Policy (@SabreCat)
• Refactor: Moment locales delivered from core translations API (@phillipthelen)
• Chore: Locale files updated (@weblate contributors)

Client

• Fix: Capture email during registration flow for some Apple users with accounts that lack emails (@SabreCat and @Hafizzle)
• Refactor: Remove Webpack and vue-fragment (@SabreCat)