chore(deps): bump pillow from 12.2.0 to 12.3.0 in /binder

Bumps [pillow](https://github.com/python-pillow/Pillow) from 12.2.0 to 12.3.0.
- [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/12.2.0...12.3.0)

---
updated-dependencies:
- dependency-name: pillow
  dependency-version: 12.3.0
  dependency-type: direct:production
...

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

binder/requirements.txt

@@ -5,7 +5,7 @@ imageio==2.35.0
 keras==3.13.2
 nltk==3.10.0
 pandas==2.0.3
-pillow==12.2.0
+pillow==12.3.0
 pygame==2.6.0
 scikit-image==0.21.0
 seaborn==0.13.2