build(deps): bump chardet from 5.2.0 to 6.0.0.post1

Bumps [chardet](https://github.com/chardet/chardet) from 5.2.0 to 6.0.0.post1.
- [Release notes](https://github.com/chardet/chardet/releases)
- [Commits](https://github.com/chardet/chardet/compare/5.2.0...6.0.0.post1)

---
updated-dependencies:
- dependency-name: chardet
  dependency-version: 6.0.0.post1
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>

requirements.txt

@@ -4,7 +4,7 @@ attrs==25.4.0
 backports.functools-lru-cache==2.0.0
 blurhash==1.1.5
 certifi==2026.1.4
-chardet==5.2.0
+chardet==6.0.0.post1
 charset-normalizer==3.4.4
 colorama==0.4.6
 configobj==5.0.9