Bump alembic from 1.3.0 to 1.3.2 (#862)
Bump alembic from 1.3.0 to 1.3.2 (#862)

Bumps [alembic](https://github.com/sqlalchemy/alembic) from 1.3.0 to 1.3.2.
- [Release notes](https://github.com/sqlalchemy/alembic/releases)
- [Changelog](https://github.com/sqlalchemy/alembic/blob/master/CHANGES)
- [Commits](https://github.com/sqlalchemy/alembic/commits)

Signed-off-by: dependabot-preview[bot] <5bdcd3c0d4d24ae3e71b3b452a024c6324c7e4bb@dependabot.com>
mozilla/relman-auto-nag,mozilla/bztools,mozilla/relman-auto-nag,mozilla/relman-auto-nag