Bump bleach from 6.2.0 to 6.3.0

Bumps [bleach](https://github.com/mozilla/bleach) from 6.2.0 to 6.3.0.
- [Changelog](https://github.com/mozilla/bleach/blob/main/CHANGES)
- [Commits](mozilla/bleach@v6.2.0...v6.3.0)

---
updated-dependencies:
- dependency-name: bleach
  dependency-version: 6.3.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

requirements/base.txt

@@ -1,4 +1,4 @@
-bleach==6.2.0
+bleach==6.3.0
 Django==5.2.8
 dj-database-url==3.0.1
 django-allauth==65.9.0