Update bleach[css] requirement from ~=6.0 to ~=6.1

Updates the requirements on [bleach[css]](https://github.com/mozilla/bleach) to permit the latest version.
- [Changelog](https://github.com/mozilla/bleach/blob/main/CHANGES)
- [Commits](mozilla/bleach@v6.0.0...v6.1.0)

---
updated-dependencies:
- dependency-name: bleach[css]
  dependency-type: direct:production
...

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

requirements.txt

@@ -3,7 +3,7 @@
 #
 
 # Application
-bleach[css]~=6.0
+bleach[css]~=6.1
 crispy-bootstrap5==0.7
 
 # this is a fork of django-bootstrap-breadcrumbs