chore(deps): bump charset-normalizer in /hack/api-docs (#5486)

Bumps [charset-normalizer](https://github.com/jawah/charset_normalizer) from 3.4.3 to 3.4.4.
- [Release notes](https://github.com/jawah/charset_normalizer/releases)
- [Changelog](https://github.com/jawah/charset_normalizer/blob/master/CHANGELOG.md)
- [Commits](https://github.com/jawah/charset_normalizer/compare/3.4.3...3.4.4)

---
updated-dependencies:
- dependency-name: charset-normalizer
  dependency-version: 3.4.4
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Moritz Johner <moolen@users.noreply.github.com>

hack/api-docs/requirements.txt

@@ -1,6 +1,6 @@
 Babel==2.17.0
 certifi==2025.10.5
-charset-normalizer==3.4.3
+charset-normalizer==3.4.4
 click==8.3.0
 colorama==0.4.6
 csscompressor==0.9.5