Change final_scores calculation and upgrade some dependencies
Bump django from 3.1.6 to 3.1.8 (#179) Bumps [django](https://github.com/django/django) from 3.1.6 to 3.1.8. - [Release notes](https://github.com/django/django/releases) - [Commits](https://github.com/django/django/compare/3.1.6...3.1.8) Signed-off-by: dependabot[bot] <[email protected]> Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>