Bump actions/checkout from 4.0.0 to 6.0.0#1529

Copilot wants to merge 2 commits intodependabot/github_actions/actions/checkout-6.0.0kafbat/kafka-ui:dependabot/github_actions/actions/checkout-6.0.0from

copilot/sub-pr-1527kafbat/kafka-ui:copilot/sub-pr-1527Copy head branch name to clipboard