RHEL: Version lock packages

dnf versionlock add kernel-4.18.0-477.43.*<
dnf versionlock add kernel-core-4.18.0-477.43.*<
dnf versionlock add kernel-modules-4.18.0-477.43.*<
dnf versionlock add kernel-tools-4.18.0-477.43.*<
dnf versionlock add kernel-tools-libs-4.18.0-477.43.*<