Update boto3 to 1.18.28#1925

pyup-bot wants to merge 1 commit intomasterpythonprobr/curso-django:masterfrom

pyup-update-boto3-1.15.6-to-1.18.28pythonprobr/curso-django:pyup-update-boto3-1.15.6-to-1.18.28Copy head branch name to clipboard