chore(deps): bump charset-normalizer in /hack/api-docs (#6183)

Bumps [charset-normalizer](https://github.com/jawah/charset_normalizer) from 3.4.6 to 3.4.7.
- [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/3.4.6...3.4.7)

---
updated-dependencies:
- dependency-name: charset-normalizer
  dependency-version: 3.4.7
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

hack/api-docs/requirements.txt

@@ -1,6 +1,6 @@
 Babel==2.18.0
 certifi==2026.2.25
-charset-normalizer==3.4.6
+charset-normalizer==3.4.7
 click==8.3.1
 colorama==0.4.6
 csscompressor==0.9.5