build(deps): bump actions/checkout from 3 to 4#19

dependabot[bot] wants to merge 1 commit into

px4_firmware_nuttx-10.3.0+PX4/NuttX-apps:px4_firmware_nuttx-10.3.0+from

dependabot/github_actions/actions/checkout-4PX4/NuttX-apps:dependabot/github_actions/actions/checkout-4Copy head branch name to clipboard