build(deps): bump mkdocstrings-python in /docs in the patches group

Bumps the patches group in /docs with 1 update: [mkdocstrings-python](https://github.com/mkdocstrings/python).


Updates `mkdocstrings-python` from 2.0.2 to 2.0.3
- [Release notes](https://github.com/mkdocstrings/python/releases)
- [Changelog](https://github.com/mkdocstrings/python/blob/main/CHANGELOG.md)
- [Commits](https://github.com/mkdocstrings/python/compare/2.0.2...2.0.3)

---
updated-dependencies:
- dependency-name: mkdocstrings-python
  dependency-version: 2.0.3
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: patches
...

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

docs/requirements.txt

@@ -11,7 +11,7 @@ mkdocs==1.6.1
 mkdocs-autorefs==1.4.4
 mkdocs-get-deps==0.2.0
 mkdocstrings==1.0.3
-mkdocstrings-python==2.0.2
+mkdocstrings-python==2.0.3
 packaging==26.0
 pathspec==1.0.4
 platformdirs==4.9.2