Update boto3 to 1.17.111#853

pyup-bot wants to merge 1 commit intomasterherbetyp/pythonprodjango:masterfrom

pyup-update-boto3-1.15.1-to-1.17.111herbetyp/pythonprodjango:pyup-update-boto3-1.15.1-to-1.17.111Copy head branch name to clipboard