Bump flask-sqlalchemy from 2.4.0 to 2.4.1 in /{{cookiecutter.app_name}}

Bumps [flask-sqlalchemy](https://github.com/pallets/flask-sqlalchemy) from 2.4.0 to 2.4.1.
- [Release notes](https://github.com/pallets/flask-sqlalchemy/releases)
- [Changelog](https://github.com/pallets/flask-sqlalchemy/blob/master/CHANGES.rst)
- [Commits](https://github.com/pallets/flask-sqlalchemy/compare/2.4.0...2.4.1)

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

{{cookiecutter.app_name}}/Pipfile

@@ -10,7 +10,7 @@ Werkzeug = "==0.16.0"
 click = ">=5.0"
 
 # Database
-Flask-SQLAlchemy = "==2.4.0"
+Flask-SQLAlchemy = "==2.4.1"
 SQLAlchemy = "==1.3.8"
 
 # Migrations