Bump nbconvert from 6.5.1 to 7.17.0 in /tools/qubot#418

ckirsch merged 2 commits intomaincksystemsteaching/selfie:mainfrom

dependabot/pip/tools/qubot/nbconvert-7.17.0cksystemsteaching/selfie:dependabot/pip/tools/qubot/nbconvert-7.17.0Copy head branch name to clipboard