Bump jszip from 3.2.2 to 3.9.1 in /demo#525

dependabot[bot] wants to merge 1 commit intomasterrintoj/ngx-virtual-scroller:masterfrom

dependabot/npm_and_yarn/demo/jszip-3.9.1rintoj/ngx-virtual-scroller:dependabot/npm_and_yarn/demo/jszip-3.9.1Copy head branch name to clipboard