Fortnite-api

- Fix BrCosmetic not inherit BaseCosmetic which caused many fields not being available

- Added support for new cosmetic types including `CarCosmetic`, `InstrumentCosmetic`, `JamTrack`. Also methods for fetching them have been added
- Add support for new `LegoCosmeticVariant`, which also can be fetched
- Add new shop endpoint which features all new cosmetic types and removes legacy fields
- Bump minimum required aiohttp to 4.0.0 and require at least 1.9.0

- Adds support for new shop layouts

- Added `Playlist.rating_type`
- Fix `BrInputs.all` being always `None`. This now allows to access all stats
- Fix `url_as()` functions power of 2 check always failing
- Remove debug print statement `search_first`