Update django to 2.2.3#613

pyup-bot wants to merge 2 commits intodevelopmentCalPolyResDev/uh_internal_project:developmentfrom

pyup-update-django-2.0.7-to-2.2.3CalPolyResDev/uh_internal_project:pyup-update-django-2.0.7-to-2.2.3Copy head branch name to clipboard