See https://builds.apache.org/job/maven-box/job/maven-jarsigner/job/master/12/
Changes: * Apply Maven 3.6.2 * H29 has checkout issues... * Issues with H28 too * Seems like Maven 3.6.2 is not available on all Linux nodes yet * Java 13 released: drop 12 + include 14 (-ea) All tests passed
