Update django-model-utils to 4.5.1#171

pyup-bot wants to merge 1 commit intodevelchivke/killay:develfrom

pyup-update-django-model-utils-4.0.0-to-4.5.1chivke/killay:pyup-update-django-model-utils-4.0.0-to-4.5.1Copy head branch name to clipboard