Bump requests from 2.2.1 to 2.20.0

Bumps [requests](https://github.com/requests/requests) from 2.2.1 to 2.20.0.
- [Release notes](https://github.com/requests/requests/releases)
- [Changelog](https://github.com/psf/requests/blob/master/HISTORY.md)
- [Commits](psf/requests@v2.2.1...v2.20.0)

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

Author: dependabot[bot]

requirements.txt

@@ -7,6 +7,6 @@ numpy==1.22.4
 ordereddict==1.1
 pypandoc==1.8.1
 python-dateutil==2.2
-requests==2.2.1
+requests==2.20.0
 six==1.5.2
 uritemplate.py==0.3.0