Star payments, FilterBotCommand, layer 195

What's Changed

• Add full support for star payments with the new object-based DialogGiftStars, DialogStarGift updates by @mtalaeii in #1582
• Add support fo commands (automatically and optionally postfixed with the current bot's username) with FilterBotCommand by @mtalaeii in #1587
• Added the getWaitTimeLeft method and expires property to all RateLimitErrors, to obtain the exact time when the rate limit will expire by @danog
• Update to layer 195

Fixes:

• Fix handling of rate limiting and other errors during file uploads, fixing upload hangs by @danog
• Now wait()ing a RateLimitError will only wait until the exact expiration date of the rate limit by @danog
• Fix GOAWAY errors by bumping amphp/http-client

New Methods:

• messages.searchStickers
• bots.getAdminedBots
• bots.updateStarRefProgram
• payments.getConnectedStarRefBots
• payments.getConnectedStarRefBot
• payments.getSuggestedStarRefBots
• payments.connectStarRefBot
• payments.editConnectedStarRefBot

Changed Methods:

• Added referer param to contacts.resolveUsername
• Removed invoice_slug param from payments.botCancelStarsSubscription

New Constructors:

• starRefProgram
• connectedBotStarRef
• payments.connectedStarRefBots
• payments.suggestedStarRefBots
• starsAmount
• messages.foundStickersNotModified
• messages.foundStickers

Changed Constructors:

• Added subscription_until_date param to messageActionPaymentSentMe
• Added subscription_until_date param to messageActionPaymentSent
• Added starref_program param to userFull
• Added starref_commission_permille param to starsTransaction
• Added starref_peer param to starsTransaction
• Added starref_amount param to starsTransaction

Deleted Constructors:

• updateBotSubscriptionExpire

Full Changelog: 8.3.7...8.4.0