⬆️ Update linkify-it-py requirement from ~=1.0 to ~=2.0

Updates the requirements on [linkify-it-py](https://github.com/tsutsu3/linkify-it-py) to permit the latest version.
- [Release notes](https://github.com/tsutsu3/linkify-it-py/releases)
- [Changelog](https://github.com/tsutsu3/linkify-it-py/blob/main/CHANGELOG.md)
- [Commits](tsutsu3/linkify-it-py@v1.0.0...v2.0.0)

---
updated-dependencies:
- dependency-name: linkify-it-py
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <support@github.com>

pyproject.toml

@@ -50,7 +50,7 @@ Documentation = "https://myst-parser.readthedocs.io"
 [project.optional-dependencies]
 code_style = ["pre-commit~=2.12"]
 # for use with "linkify" extension
-linkify = ["linkify-it-py~=1.0"]
+linkify = ["linkify-it-py~=2.0"]
 # Note: This is only required for internal use
 rtd = [
     "ipython",