Bump pillow from 12.2.0 to 12.3.0 in the uv group across 1 directory

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


Updates `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](python-pillow/Pillow@12.2.0...12.3.0)

---
updated-dependencies:
- dependency-name: pillow
  dependency-version: 12.3.0
  dependency-type: indirect
  dependency-group: uv
...

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

Author: dependabot[bot]

backend/pyproject.toml

@@ -20,7 +20,7 @@ dependencies = [
   "opentelemetry-instrumentation-fastapi",
   "opentelemetry-instrumentation-httpx",
   "opentelemetry-sdk<=1.38",
-  "pydantic-settings>=2.10.1,<3.0.0",
+  "pydantic-settings>=2.14.2,<3.0.0",
   "pyjwt",
   "python-dotenv",
   "requests",