[CI]: Bump actions/checkout from 4 to 5#33

dependabot[bot] wants to merge 1 commit intomainOpenAssetIO/Template-OpenAssetIO-Manager-Python:mainfrom

dependabot/github_actions/actions/checkout-5OpenAssetIO/Template-OpenAssetIO-Manager-Python:dependabot/github_actions/actions/checkout-5Copy head branch name to clipboard