update latest to 7.4.0-beta2
./release-to-git.sh committed branch 7.4.0-beta2
etc: add kern.log to the logrotate.d/syslog
rsyslog: updated to upstream version 8.2410
initrd: bump version
hwloc: fixpackaging for arm CPUs
hwloc: fix packaging for x86_64
libunistring: updated to upstream version 1.3