[OPENJDK-3632] update templates/jlink/README.md to reflect all buildConfigs auto-trigger#551

jmtd merged 1 commit intorh-openjdk:jlink-devrh-openjdk/redhat-openjdk-containers:jlink-devfrom

Josh-Matsuoka:README-updatesJosh-Matsuoka/openjdk:README-updatesCopy head branch name to clipboard