requirements: Pin SQLAlchemy to < 2.0
Description
SQLAlchemy 2.0 has significant API changes. See https://www.sqlalchemy.org/blog/2023/01/26/sqlalchemy-2.0.0-released/ and https://docs.sqlalchemy.org/en/20/changelog/migration_20.html
SQLAlchemy 2.0 has significant API changes. See https://www.sqlalchemy.org/blog/2023/01/26/sqlalchemy-2.0.0-released/ and https://docs.sqlalchemy.org/en/20/changelog/migration_20.html