Bump requests from 2.25.0 to 2.25.1

Bumps [requests](https://github.com/psf/requests) from 2.25.0 to 2.25.1.
- [Release notes](https://github.com/psf/requests/releases)
- [Changelog](https://github.com/psf/requests/blob/master/HISTORY.md)
- [Commits](psf/requests@v2.25.0...v2.25.1)

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

docs-requirements.txt

@@ -23,7 +23,7 @@ packaging==20.8           # via sphinx
 pygments==2.7.3           # via sphinx
 pyparsing==2.4.7          # via packaging
 pytz==2020.4              # via babel
-requests==2.25.0          # via sphinx
+requests==2.25.1          # via sphinx
 sniffio==1.2.0            # via -r docs-requirements.in
 snowballstemmer==2.0.0    # via sphinx
 sortedcontainers==2.3.0   # via -r docs-requirements.in