Full support of Bot API 7.3

[JrooTJunior]

Description

Adde full support of Bot API 7.3

[github-actions]

✔️ Changelog found.

Thank you for adding a description of the changes

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 100.00%. Comparing base (f1c9fc5) to head (95ad67a).
Report is 3 commits behind head on dev-3.x.

Additional details and impacted files

@@            Coverage Diff             @@
##           dev-3.x     #1480    +/-   ##
==========================================
  Coverage   100.00%   100.00%            
==========================================
  Files          422       434    +12     
  Lines        10937     11152   +215     
==========================================
+ Hits         10937     11152   +215     

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

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

Files	Coverage Δ
aiogram/__meta__.py	100.00% <100.00%> (ø)
aiogram/client/bot.py	100.00% <ø> (ø)
aiogram/enums/content_type.py	100.00% <100.00%> (ø)
aiogram/methods/copy_message.py	100.00% <100.00%> (ø)
aiogram/methods/edit_message_live_location.py	100.00% <100.00%> (ø)
aiogram/methods/get_chat.py	100.00% <100.00%> (ø)
aiogram/methods/promote_chat_member.py	100.00% <100.00%> (ø)
aiogram/methods/send_animation.py	100.00% <100.00%> (ø)
aiogram/methods/send_audio.py	100.00% <100.00%> (ø)
aiogram/methods/send_contact.py	100.00% <100.00%> (ø)
... and 48 more