feat: remove the reference of the deprecated values

[LucasXu0]

• make the pub point to 140
• remove the deprecated values
• add migration guide

closes #301

[codecov]

Codecov Report

Merging #304 (16c488f) into main (f8da435) will increase coverage by 4.00%.
The diff coverage is 20.00%.

@@            Coverage Diff             @@
##             main     #304      +/-   ##
==========================================
+ Coverage   70.49%   74.49%   +4.00%     
==========================================
  Files         242      237       -5     
  Lines       10106     9505     -601     
==========================================
- Hits         7124     7081      -43     
+ Misses       2982     2424     -558     

Impacted Files	Coverage Δ
lib/src/core/transform/transaction.dart	89.45% <ø> (+4.65%)	⬆️
...t/service/selection/desktop_selection_service.dart	67.39% <0.00%> (ø)
...hortcuts/command_shortcut_events/copy_command.dart	33.33% <ø> (+13.33%)	⬆️
lib/src/infra/html_converter.dart	79.62% <0.00%> (+29.04%)	⬆️
...rvice/context_menu/built_in_context_menu_item.dart	0.00% <0.00%> (ø)
...efault_text_operations/format_rich_text_style.dart	0.00% <ø> (ø)
...nternal_key_event_handlers/copy_paste_handler.dart	0.00% <0.00%> (ø)
lib/src/core/document/document.dart	81.81% <100.00%> (ø)
...ent/text_block_component/text_block_component.dart	90.38% <100.00%> (+0.18%)	⬆️

... and 2 files with indirect coverage changes