chore(ci): bump actions/checkout from 4 to 6#1

allanhaggett merged 1 commit intomainPSA-Corporate-Learning-Branch/moodle-local_githubsync:mainfrom

dependabot/github_actions/actions/checkout-6PSA-Corporate-Learning-Branch/moodle-local_githubsync:dependabot/github_actions/actions/checkout-6Copy head branch name to clipboard