Edited the types and methods for mixed-format sticker packs in butcher

[Oven29]

Description

• Removed the fields is_animated and is_video from the class StickerSet.
• Added the field format to the class InputSticker.
• Removed the parameter sticker_format from the method createNewStickerSet.
• Added the parameter format to the method setStickerSetThumbnail.

Fixes #1455 (issue)

Type of change

Please delete options that are not relevant.

• New feature (non-breaking change which adds functionality)

How Has This Been Tested?

Please describe the tests that you ran to verify your changes. Provide instructions so we can reproduce. Please also list any relevant details for your test configuration

• black
• manual

Test Configuration:

• Operating System: Ubuntu22.04, Windows 11
• Python version: 3.11.0rc1, 3.11

Checklist:

• My code follows the style guidelines of this project
• I have performed a self-review of my own code
• I have made corresponding changes to the documentation
• I have added tests that prove my fix is effective or that my feature works
• New and existing unit tests pass locally with my changes

[github-actions]

✔️ Changelog found.

Thank you for adding a description of the changes

[JrooTJunior]

#1444