chore(deps): bump pydantic[email] from 2.7.2 to 2.7.3

Bumps [pydantic[email]](https://github.com/pydantic/pydantic) from 2.7.2 to 2.7.3.
- [Release notes](https://github.com/pydantic/pydantic/releases)
- [Changelog](https://github.com/pydantic/pydantic/blob/main/HISTORY.md)
- [Commits](pydantic/pydantic@v2.7.2...v2.7.3)

---
updated-dependencies:
- dependency-name: pydantic[email]
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>

app/requirements.txt

@@ -5,6 +5,6 @@ fastapi==0.111.0
 httpx==0.27.0
 jinja2==3.1.4
 jwcrypto==1.5.6
-pydantic[email]==2.7.2
+pydantic[email]==2.7.3
 pydantic-settings==2.2.1
 uvicorn[standard]==0.30.1