Bump psycopg2 from 2.7.3.1 to 2.8.3 (#348)
Bump psycopg2 from 2.7.3.1 to 2.8.3 (#348)

Bumps [psycopg2](https://github.com/psycopg/psycopg2) from 2.7.3.1 to 2.8.3.
- [Release notes](https://github.com/psycopg/psycopg2/releases)
- [Changelog](https://github.com/psycopg/psycopg2/blob/master/NEWS)
- [Commits](https://github.com/psycopg/psycopg2/commits)

Signed-off-by: dependabot-preview[bot] <5bdcd3c0d4d24ae3e71b3b452a024c6324c7e4bb@dependabot.com>
ui/django-rq,ui/django-rq