Update auto-check workflow: bump checkout to v6 and use DAPPNODE_ACTIONS_PR_CREATOR token#71

Copilot wants to merge 2 commits intomaindappnode/DAppNodePackage-nethermind-generic:mainfrom

copilot/update-auto-check-workflowdappnode/DAppNodePackage-nethermind-generic:copilot/update-auto-check-workflowCopy head branch name to clipboard