OPENJDK-3655 change script permissions to permit o+x#577

jmtd wants to merge 2 commits intorh-openjdk:ubi9rh-openjdk/redhat-openjdk-containers:ubi9from

jmtd:OPENJDK-3655-scripts-xjmtd/redhat-openjdk-containers:OPENJDK-3655-scripts-xCopy head branch name to clipboard