build(deps): bump the production-dependencies group across 1 directory with 2 updates

Bumps the production-dependencies group with 2 updates in the /docs directory: [chardet](https://github.com/chardet/chardet) and [packaging](https://github.com/pypa/packaging).


Updates `chardet` from 7.4.3 to 7.5.1
- [Release notes](https://github.com/chardet/chardet/releases)
- [Changelog](https://github.com/chardet/chardet/blob/main/docs/changelog.rst)
- [Commits](chardet/chardet@7.4.3...7.5.1)

Updates `packaging` from 26.2 to 26.3
- [Release notes](https://github.com/pypa/packaging/releases)
- [Changelog](https://github.com/pypa/packaging/blob/main/CHANGELOG.rst)
- [Commits](pypa/packaging@26.2...26.3)

---
updated-dependencies:
- dependency-name: chardet
  dependency-version: 7.5.1
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: production-dependencies
- dependency-name: packaging
  dependency-version: '26.3'
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: production-dependencies
...

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

Author: dependabot[bot]

docs/requirements.txt

@@ -4,13 +4,13 @@ MarkupSafe==3.0.3
 Pygments==2.20.0
 Sphinx==8.2.3
 certifi==2026.7.22
-chardet==7.4.3
+chardet==7.5.1
 commonmark==0.9.2
 docutils==0.20.1
 idna==3.18
 imagesize==2.0.0
 myst-parser==5.1.0 
-packaging==26.2
+packaging==26.3
 pyparsing==3.3.2
 pytz==2026.3.post1
 requests==2.34.2