[UPDATE] Update pillow requirement

Updates the requirements on [pillow](https://github.com/python-pillow/Pillow) to permit the latest version.
- [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
...

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pyproject.toml

@@ -22,7 +22,7 @@ dependencies = [
     "django>=5.2.15,<6.0.0",
     "django-ninja>=1.6.2,<2.0.0",
     "django-ninja-extra>=0.31.5",
-    "Pillow>=12.2.0,<13.0.0",
+    "Pillow>=12.3.0,<13.0.0",
     "aemark>=0.1.1",
     "django-jinja<3.0.0,>=2.11.0",
     "cryptography>=49.0.0,<50.0.0",