Bump charset-normalizer from 2.0.12 to 3.1.0 (#13)

Bumps [charset-normalizer](https://github.com/Ousret/charset_normalizer) from 2.0.12 to 3.1.0.
- [Release notes](https://github.com/Ousret/charset_normalizer/releases)
- [Changelog](https://github.com/Ousret/charset_normalizer/blob/master/CHANGELOG.md)
- [Upgrade guide](https://github.com/Ousret/charset_normalizer/blob/master/UPGRADE.md)
- [Commits](jawah/charset_normalizer@2.0.12...3.1.0)

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

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

requirements.txt

@@ -6,7 +6,7 @@ blinker==1.4
 bs4==0.0.1
 certifi==2020.12.5
 chardet==4.0.0
-charset-normalizer==2.0.12
+charset-normalizer==3.1.0
 click==8.0.0
 clickclick==20.10.2
 connexion==2.6.0