No, that's just a package update. First the files of the new package are installed, then the files of the old package which are not part of the new package are uninstalled. At last the %triggerpostun of nvidia-gfxG05-kmp-default is running. At that point there is kernel/ subdir. Check this out. https://docs.fedoraproject.org/en-US/packaging-guidelines/Scriptlets/#ordering