- Updated Angular dependencies in package.json to version 21.x.x.
- Added `provideAnimationsAsync` to app configuration for improved animation handling.
- Refactored user input component to utilize a dynamic list of vacation days with animations.
- Introduced a new `DayInput` component for managing individual vacation days.
- Enhanced styling and animations for user input and day input components.
- Updated calendar service to support new vacation day structure.
- Adjusted tests to accommodate changes in component structure and dependencies.