ci: bump actions/checkout from 4.1.1 to 6.0.1#9

hyperpolymath merged 2 commits intomainhyperpolymath/git-seo:mainfrom

dependabot/github_actions/actions/checkout-6.0.1hyperpolymath/git-seo:dependabot/github_actions/actions/checkout-6.0.1Copy head branch name to clipboard