Bump requests from 2.21.0 to 2.32.2 in /ci

Bumps [requests](https://github.com/psf/requests) from 2.21.0 to 2.32.2.
- [Release notes](https://github.com/psf/requests/releases)
- [Changelog](https://github.com/psf/requests/blob/main/HISTORY.md)
- [Commits](psf/requests@v2.21.0...v2.32.2)

---
updated-dependencies:
- dependency-name: requests
  dependency-type: indirect
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

Diff for: ci/requirements-docs.txt

@@ -10,7 +10,7 @@ babel==2.6.0
     # via sphinx
 certifi==2019.3.9
     # via requests
-chardet==3.0.4
+charset-normalizer==3.3.2
     # via requests
 docutils==0.14
     # via sphinx
@@ -32,7 +32,7 @@ pytest-runner==4.4
     # via -r requirements-docs.in
 pytz==2018.9
     # via babel
-requests==2.21.0
+requests==2.32.2
     # via sphinx
 six==1.12.0
     # via