chore(deps): Bump uvicorn

Bumps the minor-and-patch group in /a2a/simple_generalist with 1 update: [uvicorn](https://github.com/Kludex/uvicorn).


Updates `uvicorn` from 0.49.0 to 0.51.0
- [Release notes](https://github.com/Kludex/uvicorn/releases)
- [Changelog](https://github.com/Kludex/uvicorn/blob/main/docs/release-notes.md)
- [Commits](Kludex/uvicorn@0.49.0...0.51.0)

---
updated-dependencies:
- dependency-name: uvicorn
  dependency-version: 0.51.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: minor-and-patch
...

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

Author: dependabot[bot]

a2a/simple_generalist/pyproject.toml

@@ -10,7 +10,7 @@ dependencies = [
     "httpx>=0.28.1",
     "pydantic>=2.13.4",
     "pydantic-settings>=2.14.2",
-    "uvicorn>=0.49.0",
+    "uvicorn>=0.51.0",
     "opentelemetry-exporter-otlp-proto-http>=1.43.0",
     "urllib3>=2.7.0",            # Indirect; prevents CVE-2026-44431, CVE-2026-44432
     "python-multipart>=0.0.32",  # Indirect; prevents CVE-2026-24486