chore(deps): bump pillow

Bumps the pip group with 1 update in the /templates/python/cua directory: [pillow](https://github.com/python-pillow/Pillow).


Updates `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](python-pillow/Pillow@11.2.1...11.3.0)

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

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

Author: dependabot[bot]

templates/python/cua/pyproject.toml

@@ -16,7 +16,7 @@ dependencies = [
     "httpx==0.28.1",
     "idna==3.10",
     "jiter==0.10.0",
-    "pillow==11.2.1",
+    "pillow==11.3.0",
     "kernel>=0.8.1",
     "playwright==1.52.0",
     "pydantic==2.11.7",