Bump linkify-it-py from 2.0.0 to 2.0.3 in /docs

Bumps [linkify-it-py](https://github.com/tsutsu3/linkify-it-py) from 2.0.0 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@v2.0.0...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] <[email protected]>

docs/requirements.txt

@@ -6,7 +6,7 @@ sphinx_rtd_theme==1.2.0
 readthedocs-sphinx-search==0.3.2
 rstcheck==6.1.1
 myst-parser==1.0.0 
-linkify-it-py==2.0.0
+linkify-it-py==2.0.3
 esbonio==0.16.4
 attrs==22.2.0