dependency: (deps): bump charset-normalizer in /backend

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] <support@github.com>

backend/requirements.txt

@@ -1,6 +1,6 @@
 asgiref==3.8.1
 certifi==2024.12.14
-charset-normalizer==3.4.0
+charset-normalizer==3.4.1
 coreapi==2.3.3
 coreschema==0.0.4
 Django==5.1.4