MadelineProto was updated (8.4.21)!

Features:
- Update to layer 210

Fixes:
- Drop all session-related database rows when logging out
- Fix an issue with postgres when creating the database

New Methods:
- payments.createStarGiftCollection
- payments.updateStarGiftCollection
- payments.reorderStarGiftCollections
- payments.deleteStarGiftCollection
- payments.getStarGiftCollections

Changed Methods:
- Added collection_id param to payments.getSavedStarGifts

New Constructors:
- starsRating
- starGiftCollection
- payments.starGiftCollectionsNotModified
- payments.starGiftCollections

Changed Constructors:
- Added stars_rating param to userFull
- Added todo_item_id param to messageReplyHeader
- Added todo_item_id param to inputReplyToMessage
- Added require_premium param to starGift
- Added limited_per_user param to starGift
- Added per_user_total param to starGift
- Added per_user_remains param to starGift
- Added require_premium param to starGiftUnique
- Added collection_id param to savedStarGift