build(deps): bump pydantic from 2.13.3 to 2.13.4 in /src

Bumps [pydantic](https://github.com/pydantic/pydantic) from 2.13.3 to 2.13.4.
- [Release notes](https://github.com/pydantic/pydantic/releases)
- [Changelog](https://github.com/pydantic/pydantic/blob/v2.13.4/HISTORY.md)
- [Commits](https://github.com/pydantic/pydantic/compare/v2.13.3...v2.13.4)

---
updated-dependencies:
- dependency-name: pydantic
  dependency-version: 2.13.4
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

src/requirements.txt

@@ -14,4 +14,4 @@ psycopg[binary]==3.3.3
 PyMySQL==1.1.2
 tzlocal==5.3.1
 python-jose==3.5.0
-pydantic==2.13.3
+pydantic==2.13.4