Bump actions/checkout from 2 to 2.3.4#7

slachiewicz merged 1 commit intomastercodehaus-plexus/plexus-testing:masterfrom

dependabot/github_actions/actions/checkout-2.3.4codehaus-plexus/plexus-testing:dependabot/github_actions/actions/checkout-2.3.4Copy head branch name to clipboard