[Snyk] Security upgrade github-pages from 202 to 203#7

irinazheltisheva wants to merge 1 commit intomasterhttps-githubsup-com/github-slideshow:masterfrom

snyk-fix-551123f8252f3020c4dfea4ae18e42d7https-githubsup-com/github-slideshow:snyk-fix-551123f8252f3020c4dfea4ae18e42d7Copy head branch name to clipboard