Add missing Message methods

[Danipulok]

Add missing Message methods

Add following methods to Message:

Message.forward(...)
Message.edit_media(...)
Message.edit_live_location(...)
Message.stop_live_location(...)
Message.pin(...)
Message.unpin()

For each method add:

• code
• test
• documentation

Type of change

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

How has this been tested?

Add new tests in tests/test_api/test_types/test_message.py

Test Configuration

Git hooks

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 #1030 (a08b23f) into dev-3.x (f4d3dbf) will not change coverage.
The diff coverage is 100.00%.

❗ Current head a08b23f differs from pull request most recent head a37919c. Consider uploading reports for the commit a37919c to get more accurate results

@@             Coverage Diff             @@
##           dev-3.x     #1030     +/-   ##
===========================================
  Coverage   100.00%   100.00%             
===========================================
  Files          302       302             
  Lines         6949      8158   +1209     
===========================================
+ Hits          6949      8158   +1209     

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/types/message.py	100.00% <100.00%> (ø)
aiogram/types/chat.py	100.00% <0.00%> (ø)
aiogram/types/dice.py	100.00% <0.00%> (ø)
aiogram/types/file.py	100.00% <0.00%> (ø)
aiogram/types/game.py	100.00% <0.00%> (ø)
aiogram/types/poll.py	100.00% <0.00%> (ø)
aiogram/types/user.py	100.00% <0.00%> (ø)
aiogram/types/audio.py	100.00% <0.00%> (ø)
aiogram/types/venue.py	100.00% <0.00%> (ø)
aiogram/types/video.py	100.00% <0.00%> (ø)
... and 194 more

[Danipulok]

@JrooTJunior done