Bump jszip and @microsoft/sp-build-web#21

dependabot[bot] wants to merge 1 commit intomasterValoIntranet/valo-extensibility-sample:masterfrom

dependabot/npm_and_yarn/jszip-and-microsoft/sp-build-web-3.7.1ValoIntranet/valo-extensibility-sample:dependabot/npm_and_yarn/jszip-and-microsoft/sp-build-web-3.7.1Copy head branch name to clipboard