Bump pillow from 11.2.1 to 11.3.0 in /requirements

Bumps [pillow](https://github.com/python-pillow/Pillow) from 11.2.1 to 11.3.0.
- [Release notes](https://github.com/python-pillow/Pillow/releases)
- [Changelog](https://github.com/python-pillow/Pillow/blob/main/CHANGES.rst)
- [Commits](https://github.com/python-pillow/Pillow/compare/11.2.1...11.3.0)

---
updated-dependencies:
- dependency-name: pillow
  dependency-version: 11.3.0
  dependency-type: direct:production
...

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

requirements/requirements.txt

@@ -9,7 +9,7 @@ ipython==9.2.0
 moodlepy==0.24.1
 pandas==2.2.3
 parsel==1.10.0
-pillow==11.2.1
+pillow==11.3.0
 psycopg2-binary==2.9.10
 python-docx==1.1.2
 python-magic==0.4.27