Bump bleach from 3.1.4 to 6.4.0

Bumps [bleach](https://github.com/mozilla/bleach) from 3.1.4 to 6.4.0.
- [Changelog](https://github.com/mozilla/bleach/blob/main/CHANGES)
- [Commits](mozilla/bleach@v3.1.4...v6.4.0)

---
updated-dependencies:
- dependency-name: bleach
  dependency-version: 6.4.0
  dependency-type: direct:production
...

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

Author: dependabot[bot]

requirements.txt

@@ -8,7 +8,7 @@ pytidylib==0.3.2
 pycodestyle==2.4.0
 pynliner==0.8.0
 Babel==2.6.0
-bleach==3.1.4
+bleach==6.4.0
 PyYAML==3.13
 zstandard==0.23.0
 rpmfile==2.1.0