update info about supported telegram bot api version

CHANGELOG.md

@@ -2,6 +2,8 @@
 
 ## 0.38.14
 
+__This update contains including of [Telegram Bot API 6.0](https://core.telegram.org/bots/api-changelog#april-16-2022)__
+
 * `Core`:
     * Constructor of `UnknownInlineKeyboardButton` is not internal and can be created with any `json`
 

README.md

@@ -1,4 +1,4 @@
-# TelegramBotAPI [![Maven Central](https://maven-badges.herokuapp.com/maven-central/dev.inmo/tgbotapi/badge.svg)](https://maven-badges.herokuapp.com/maven-central/dev.inmo/tgbotapi) [![Supported version](https://img.shields.io/badge/Telegram%20Bot%20API-5.7-blue)](https://core.telegram.org/bots/api-changelog#january-31-2022)
+# TelegramBotAPI [![Maven Central](https://maven-badges.herokuapp.com/maven-central/dev.inmo/tgbotapi/badge.svg)](https://maven-badges.herokuapp.com/maven-central/dev.inmo/tgbotapi) [![Supported version](https://img.shields.io/badge/Telegram%20Bot%20API-6.0-blue)](https://core.telegram.org/bots/api-changelog#april-16-2022)
 
 | [![Awesome Kotlin Badge](https://kotlin.link/awesome-kotlin.svg)](https://github.com/KotlinBy/awesome-kotlin) [![Build Status](https://github.com/InsanusMokrassar/TelegramBotAPI/workflows/Build/badge.svg)](https://github.com/InsanusMokrassar/TelegramBotAPI/actions) [![Small survey](https://img.shields.io/static/v1?label=Google&message=Survey&color=blue&logo=google-sheets)](https://docs.google.com/forms/d/e/1FAIpQLSctdJHT_aEniyYT0-IUAEfo1hsIlezX2owlkEAYX4KPl2V2_A/viewform?usp=sf_link) [![Chat in Telegram](https://img.shields.io/static/v1?label=Telegram&message=Chat&color=blue&logo=telegram)](https://t.me/InMoTelegramBotAPI) |
 |:---:|