Bump bleach from 6.1.0 to 6.4.0

Bumps [bleach](https://github.com/mozilla/bleach) from 6.1.0 to 6.4.0.
- [Changelog](https://github.com/mozilla/bleach/blob/main/CHANGES)
- [Commits](mozilla/bleach@v6.1.0...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_notebook.txt

@@ -7,7 +7,7 @@ async-lru==2.0.4
 attrs==23.2.0
 Babel==2.15.0
 beautifulsoup4==4.12.3
-bleach==6.1.0
+bleach==6.4.0
 certifi==2024.7.4
 cffi==1.16.0
 chardet==5.2.0