Bump sqlalchemy from 1.0.14 to 1.3.0

Bumps [sqlalchemy](https://github.com/sqlalchemy/sqlalchemy) from 1.0.14 to 1.3.0.
- [Release notes](https://github.com/sqlalchemy/sqlalchemy/releases)
- [Changelog](https://github.com/sqlalchemy/sqlalchemy/blob/master/CHANGES)
- [Commits](https://github.com/sqlalchemy/sqlalchemy/commits)

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

requirements.txt

@@ -3,7 +3,7 @@ Flask==0.10.1
 Flask-SQLAlchemy==2.1
 Jinja2==2.8
 MarkupSafe==0.23
-SQLAlchemy==1.0.14
+SQLAlchemy==1.3.0
 Werkzeug==0.11.3
 amqp==1.4.9
 anyjson==0.3.3