ci(deps): bump actions/checkout from 5.0.0 to 6.0.0#16

tfc merged 1 commit intomaintfc/nspawn-nixos:mainfrom

dependabot/github_actions/actions/checkout-6.0.0tfc/nspawn-nixos:dependabot/github_actions/actions/checkout-6.0.0Copy head branch name to clipboard