trivial: Do not blacklist apps that were released the same day
trivial: Do not blacklist apps that were released the same day

RPM returns us a UNIX epoch set at 12:00am, so if we build the metadata before
this on a very new package, we detect it over 100 years old due to the overflow.

kalev/appstream-glib,kalev/appstream-glib,ximion/appstream-glib,ikeydoherty/appstream-glib,ximion/appstream-glib,hughsie/appstream-glib,mitya57/appstream-glib,mitya57/appstream-glib,hughsie/appstream-glib,ximion/appstream-glib,superm1/appstream-glib,superm1/appstream-glib,ikeydoherty/appstream-glib,hughsie/appstream-glib