Bump flask-sqlalchemy from 3.0.5 to 3.1.1

Bumps [flask-sqlalchemy](https://github.com/pallets-eco/flask-sqlalchemy) from 3.0.5 to 3.1.1.
- [Release notes](https://github.com/pallets-eco/flask-sqlalchemy/releases)
- [Changelog](https://github.com/pallets-eco/flask-sqlalchemy/blob/main/CHANGES.rst)
- [Commits](pallets-eco/flask-sqlalchemy@3.0.5...3.1.1)

---
updated-dependencies:
- dependency-name: flask-sqlalchemy
  dependency-version: 3.1.1
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

requirements.txt

@@ -1,5 +1,5 @@
 Flask==2.3.2
-Flask-SQLAlchemy==3.0.5
+Flask-SQLAlchemy==3.1.1
 Flask-Login==0.6.2
 Werkzeug==3.1.3
 gunicorn==23.0.0