Bump chardet from 3.0.4 to 4.0.0

Bumps [chardet](https://github.com/chardet/chardet) from 3.0.4 to 4.0.0.
- [Release notes](https://github.com/chardet/chardet/releases)
- [Commits](chardet/chardet@3.0.4...4.0.0)

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

requirements.txt

@@ -1,5 +1,5 @@
 certifi==2020.12.5
-chardet==3.0.4
+chardet==4.0.0
 idna==2.10
 requests==2.25.0
 Unidecode==1.1.1