Disallow overrideBootstrapCommand and preBootstrapCommands for MNG AL2023#7990

TiberiuGC merged 1 commit intoeksctl-io:maineksctl-io/eksctl:mainfrom

TiberiuGC:bugfix/mng-validation-al2023-prebootstrapTiberiuGC/eksctl:bugfix/mng-validation-al2023-prebootstrapCopy head branch name to clipboard