Bump sqlalchemy from 2.0.24 to 2.0.30 in /backend

Bumps [sqlalchemy](https://github.com/sqlalchemy/sqlalchemy) from 2.0.24 to 2.0.30.
- [Release notes](https://github.com/sqlalchemy/sqlalchemy/releases)
- [Changelog](https://github.com/sqlalchemy/sqlalchemy/blob/main/CHANGES.rst)
- [Commits](https://github.com/sqlalchemy/sqlalchemy/commits)

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

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

Author: dependabot[bot]

backend/src/requirements_docker.txt

@@ -5,6 +5,6 @@ psycopg2-binary==2.9.9
 pydantic==2.5.3
 python-multipart==0.0.7
 python-jose==3.3.0
-SQLAlchemy==2.0.24
+SQLAlchemy==2.0.30
 uvicorn==0.25.0