Bump flask-sqlalchemy from 2.5.1 to 3.0.3

Bumps [flask-sqlalchemy](https://github.com/pallets-eco/flask-sqlalchemy) from 2.5.1 to 3.0.3.
- [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@2.5.1...3.0.3)

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

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