[Snyk] Upgrade bootstrap from 5.3.3 to 5.3.7#9

VV1NN wants to merge 2 commits intomainVV1NN/is1ab.github.io:mainfrom

snyk-upgrade-20af260665f4aaa3db9629a93afc2eccVV1NN/is1ab.github.io:snyk-upgrade-20af260665f4aaa3db9629a93afc2eccCopy head branch name to clipboard