Added full support of Bot API 6.4

[JrooTJunior]

Description

Added full support of Bot API 6.4: https://core.telegram.org/bots/api-changelog#december-30-2022

Type of change

• New feature (non-breaking change that adds functionality)
• Documentation (typos, code examples or any documentation update)

Checklist:

• My code follows the style guidelines of this project
• I have performed a self-review of my own code
• I have added tests that prove my fix is effective or that my feature works as expected
• New and existing unit tests pass locally with my changes
• My changes generate no new warnings or errors
• My changes are compatible with minimum requirements of the project
• I have made corresponding changes to the documentation

[github-actions]

✔️ Changelog found.

Thank you for adding a description of the changes

[codecov]

Codecov Report

Merging #1088 (f5daa70) into dev-3.x (a0dbbcf) will not change coverage.
The diff coverage is 100.00%.

@@            Coverage Diff             @@
##           dev-3.x     #1088    +/-   ##
==========================================
  Coverage   100.00%   100.00%            
==========================================
  Files          326       335     +9     
  Lines         8512      8636   +124     
==========================================
+ Hits          8512      8636   +124     

Flag	Coverage Δ
unittests	100.00% <100.00%> (ø)

Flags with carried forward coverage won't be shown. Click here to find out more.

Impacted Files	Coverage Δ
aiogram/methods/get_chat_member.py	100.00% <ø> (ø)
aiogram/__init__.py	100.00% <100.00%> (ø)
aiogram/client/bot.py	100.00% <100.00%> (ø)
aiogram/enums/content_type.py	100.00% <100.00%> (ø)
aiogram/methods/__init__.py	100.00% <100.00%> (ø)
aiogram/methods/close_general_forum_topic.py	100.00% <100.00%> (ø)
aiogram/methods/edit_forum_topic.py	100.00% <100.00%> (ø)
aiogram/methods/edit_general_forum_topic.py	100.00% <100.00%> (ø)
aiogram/methods/hide_general_forum_topic.py	100.00% <100.00%> (ø)
aiogram/methods/reopen_general_forum_topic.py	100.00% <100.00%> (ø)
... and 16 more

[andrew000]

LGTM

[andrew000]

LGTM