Bump requests from 2.26.0 to 2.32.4 in /requirements

Bumps [requests](https://github.com/psf/requests) from 2.26.0 to 2.32.4.
- [Release notes](https://github.com/psf/requests/releases)
- [Changelog](https://github.com/psf/requests/blob/main/HISTORY.md)
- [Commits](psf/requests@v2.26.0...v2.32.4)

---
updated-dependencies:
- dependency-name: requests
  dependency-version: 2.32.4
  dependency-type: direct:production
...

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

Author: dependabot[bot]

requirements/base.txt

@@ -13,7 +13,7 @@ Markdown==3.4.4
 Pillow==9.1.0
 Pygments==2.12.0
 python-akismet==0.4.2
-requests==2.26.0
+requests==2.32.4
 six==1.15.0
 urllib3==1.26.6
 whitenoise==6.1.0