Bump handlebars from 4.5.3 to 4.7.7 in /web/app/themes/wpadminref#20

dependabot[bot] wants to merge 1 commit intodevelopBracketSpace/WP-Admin-Reference:developfrom

dependabot/npm_and_yarn/web/app/themes/wpadminref/handlebars-4.7.7BracketSpace/WP-Admin-Reference:dependabot/npm_and_yarn/web/app/themes/wpadminref/handlebars-4.7.7Copy head branch name to clipboard