Bump actions/checkout from 5 to 6 in /.github/workflows#5

mark-cooper merged 1 commit intomaindts-hosting/docker-dspace-handle:mainfrom

dependabot/github_actions/dot-github/workflows/actions/checkout-6dts-hosting/docker-dspace-handle:dependabot/github_actions/dot-github/workflows/actions/checkout-6Copy head branch name to clipboard