build(deps): bump chardet from 5.1.0 to 5.2.0 in /docs (#2562)

Bumps [chardet](https://github.com/chardet/chardet) from 5.1.0 to 5.2.0.
- [Release notes](https://github.com/chardet/chardet/releases)
- [Commits](chardet/chardet@5.1.0...5.2.0)

---
updated-dependencies:
- dependency-name: chardet
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

docs/requirements.txt

@@ -1,7 +1,7 @@
 alabaster==0.7.13
 Babel==2.12.1
 certifi==2023.7.22
-chardet==5.1.0
+chardet==5.2.0
 commonmark==0.9.1
 docutils==0.18.1
 idna==3.4