[OPENJDK-3541] Add Jmods RPM back into the UBI9/JDK21 image#535

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

Josh-Matsuoka:jmods-rpmJosh-Matsuoka/openjdk:jmods-rpmCopy head branch name to clipboard