Add support of Bot API 4.7. Bump version

docs/api/methods/set_sticker_set_thumb.md

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+# setStickerSetThumb
+
+## Description
+
+Use this method to set the thumbnail of a sticker set. Animated thumbnails can be set for animated sticker sets only. Returns True on success.
+
+
+## Arguments
+
+| Name | Type | Description |
+| - | - | - |
+| `name` | `#!python3 str` | Sticker set name |
+| `user_id` | `#!python3 int` | User identifier of the sticker set owner |
+| `thumb` | `#!python3 Optional[Union[InputFile, str]]` | Optional. A PNG image with the thumbnail, must be up to 128 kilobytes in size and have width and height exactly 100px, or a TGS animation with the thumbnail up to 32 kilobytes in size; see https://core.telegram.org/animated_stickers#technical-requirements for animated sticker technical requirements. Pass a file_id as a String to send a file that already exists on the Telegram servers, pass an HTTP URL as a String for Telegram to get a file from the Internet, or upload a new one using multipart/form-data.. Animated sticker set thumbnail can't be uploaded via HTTP URL. |
+
+
+
+## Response
+
+Type: `#!python3 bool`
+
+Description: Returns True on success.
+
+
+## Usage
+
+### As bot method
+
+```python3
+result: bool = await bot.set_sticker_set_thumb(...)
+```
+
+### Method as object
+
+Imports:
+
+- `from aiogram.methods import SetStickerSetThumb`
+- `from aiogram.api.methods import SetStickerSetThumb`
+- `from aiogram.api.methods.set_sticker_set_thumb import SetStickerSetThumb`
+
+#### In handlers with current bot
+```python3
+result: bool = await SetStickerSetThumb(...)
+```
+
+#### With specific bot
+```python3
+result: bool = await bot(SetStickerSetThumb(...))
+```
+#### As reply into Webhook in handler
+```python3
+return SetStickerSetThumb(...)
+```
+
+
+## Related pages:
+
+- [Official documentation](https://core.telegram.org/bots/api#setstickersetthumb)
+- [aiogram.types.InputFile](../types/input_file.md)
+- [How to upload file?](../sending_files.md)