Bump linkify-it-py

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] <[email protected]>

smithy-docgen-core/src/main/resources/software/amazon/smithy/docgen/core/integrations/sphinx/requirements-markdown.txt

@@ -1,3 +1,3 @@
 # These are requirements needed for sphinx projects with markdown support.
 myst-parser==2.0.0
-linkify-it-py==2.0.2
+linkify-it-py==2.0.3