Bump pillow in /ai/generative-ai-service/doc-understanding-and-genAI

Bumps [pillow](https://github.com/python-pillow/Pillow) from 9.2.0 to 10.3.0.
- [Release notes](https://github.com/python-pillow/Pillow/releases)
- [Changelog](https://github.com/python-pillow/Pillow/blob/main/CHANGES.rst)
- [Commits](python-pillow/Pillow@9.2.0...10.3.0)

---
updated-dependencies:
- dependency-name: pillow
  dependency-version: 10.3.0
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

ai/generative-ai-service/doc-understanding-and-genAI/requirements.txt

@@ -2,7 +2,7 @@
 
 streamlit==1.47.0                
 pandas==1.5.3
-Pillow==9.2.0
+Pillow==10.3.0
 pdf2image==1.16.3
 
 oci==2.155.2