build(deps): bump actions/checkout from 3 to 4#13

dependabot[bot] wants to merge 1 commit intomainflutter-news-app-full-source-code/flutter-news-app-web-dashboard-full-source-code:mainfrom

dependabot/github_actions/actions/checkout-4flutter-news-app-full-source-code/flutter-news-app-web-dashboard-full-source-code:dependabot/github_actions/actions/checkout-4Copy head branch name to clipboard