chore(deps): update sqlalchemy requirement from ~=1.3.6 to ~=1.… (#6365)

Updates the requirements on [sqlalchemy](https://github.com/sqlalchemy/sqlalchemy) to permit the latest version.
- [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-preview[bot] <[email protected]>

Author: dependabot-preview[bot]

requirements/common.txt

@@ -55,7 +55,7 @@ sentry-sdk[flask]~=0.10
 healthcheck~=1.3
 elasticsearch-dsl~=7.0
 flask-redis~=0.4
-SQLAlchemy~=1.3.6
+SQLAlchemy~=1.3.7
 Flask-Elasticsearch~=0.2
 paypalrestsdk~=1.13
 eventlet~=0.25