Bump chardet from 5.0.0 to 5.1.0

Bumps [chardet](https://github.com/chardet/chardet) from 5.0.0 to 5.1.0.
- [Release notes](https://github.com/chardet/chardet/releases)
- [Commits](chardet/chardet@5.0.0...5.1.0)

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

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

requirements.txt

@@ -6,7 +6,7 @@
 
 # Optional charset auto-detection
 # Used in our test cases
-chardet==5.0.0
+chardet==5.1.0
 types-chardet==5.0.3
 
 # Documentation