Bump ciso8601 from 2.1.3 to 2.2.0 (#3052)

Bumps [ciso8601](https://github.com/closeio/ciso8601) from 2.1.3 to 2.2.0.
- [Release notes](https://github.com/closeio/ciso8601/releases)
- [Changelog](https://github.com/closeio/ciso8601/blob/master/CHANGELOG.md)
- [Commits](https://github.com/closeio/ciso8601/compare/v2.1.3...v2.2.0)

---
updated-dependencies:
- dependency-name: ciso8601
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

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

requirements.txt

@@ -5,7 +5,7 @@ attrs==21.2.0
 awesomeversion==21.6.0
 brotlipy==0.7.0
 cchardet==2.1.7
-ciso8601==2.1.3
+ciso8601==2.2.0
 colorlog==5.0.1
 cpe==1.2.1
 cryptography==3.4.6