Bump requests from 2.32.0 to 2.32.4 in /flask

Bumps [requests](https://github.com/psf/requests) from 2.32.0 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@v2.32.0...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]

flask/requirements.txt

@@ -9,7 +9,7 @@ Flask-Markdown==0.3
 Unidecode==1.3.4
 pytoml==0.1.21
 Pillow==10.3.0
-requests==2.32.0
+requests==2.32.4
 Flask-Caching==1.11.1
 psycopg2==2.9.3
 Flask-DebugToolbar==0.13.1