build(deps): bump linkify-it-py from 2.0.2 to 2.0.3 in /docs

Bumps [linkify-it-py](https://github.com/tsutsu3/linkify-it-py) from 2.0.2 to 2.0.3.
- [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@v2.0.2...v2.0.3)

---
updated-dependencies:
- dependency-name: linkify-it-py
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

docs/requirements.txt

@@ -2,7 +2,7 @@ sphinx-immaterial[json,clang-format,keys,cpp]
 sphinx
 sphinx-click==5.1.0
 myst_parser==2.0.0
-linkify-it-py == 2.0.2
+linkify-it-py == 2.0.3
 sphinx-togglebutton
 sphinxcontrib-bibtex
 sphinx-autodoc2