Bump pillow (#39395)

Bumps [pillow](https://github.com/python-pillow/Pillow) from 10.2.0 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](python-pillow/Pillow@10.2.0...12.3.0)

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

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sdks/python/apache_beam/examples/ml-orchestration/kfp/components/train/requirements.txt

@@ -15,4 +15,4 @@
 
 torch==2.12.0
 numpy==1.22.4
-Pillow==10.2.0
+Pillow==12.3.0