Bump charset-normalizer from 3.4.0 to 3.4.1

Bumps [charset-normalizer](https://github.com/jawah/charset_normalizer) from 3.4.0 to 3.4.1.
- [Release notes](https://github.com/jawah/charset_normalizer/releases)
- [Changelog](https://github.com/jawah/charset_normalizer/blob/master/CHANGELOG.md)
- [Commits](jawah/charset_normalizer@3.4.0...3.4.1)

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

Signed-off-by: dependabot[bot] <[email protected]>

docs/requirements.txt

@@ -1,7 +1,7 @@
 alabaster>=0.7,<1.0
 Babel>=2.9,<3.0
 certifi  # we always want the latest certs
-charset-normalizer>=2.0,<3.0
+charset-normalizer>=2.0,<4.0
 docutils>=0.17,<1.0
 idna>=3.3,<4.0
 imagesize>=1.3,<2.0