Bump the uv group across 1 directory with 3 updates

Bumps the uv group with 3 updates in the / directory: [cryptography](https://github.com/pyca/cryptography), [jupyterlab](https://github.com/jupyterlab/jupyterlab) and [pymdown-extensions](https://github.com/facelessuser/pymdown-extensions).


Updates `cryptography` from 49.0.0 to 50.0.0
- [Changelog](https://github.com/pyca/cryptography/blob/main/CHANGELOG.rst)
- [Commits](pyca/cryptography@49.0.0...50.0.0)

Updates `jupyterlab` from 4.6.0 to 4.6.2
- [Release notes](https://github.com/jupyterlab/jupyterlab/releases)
- [Changelog](https://github.com/jupyterlab/jupyterlab/blob/main/RELEASE.md)
- [Commits](https://github.com/jupyterlab/jupyterlab/compare/@jupyterlab/lsp@4.6.0...@jupyterlab/lsp@4.6.2)

Updates `pymdown-extensions` from 11.0 to 11.0.1
- [Release notes](https://github.com/facelessuser/pymdown-extensions/releases)
- [Commits](facelessuser/pymdown-extensions@11.0...11.0.1)

---
updated-dependencies:
- dependency-name: cryptography
  dependency-version: 50.0.0
  dependency-type: indirect
  dependency-group: uv
- dependency-name: jupyterlab
  dependency-version: 4.6.2
  dependency-type: indirect
  dependency-group: uv
- dependency-name: pymdown-extensions
  dependency-version: 11.0.1
  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>=2.15.0,<3.0.0",
   "pyjwt",
   "python-dotenv",
   "requests",