manifest: Tag harfbuzz back even farther
manifest: Tag harfbuzz back even farther

Something is still wrong with the ICU support.

GNOME/gnome-ostree,vrutkovs/vrutkovs.github.io,vrutkovs/vrutkovs.github.io,GNOME/gnome-ostree,vrutkovs/vrutkovs.github.io,chergert/gnome-continuous,chergert/gnome-continuous,GNOME/gnome-ostree,chergert/gnome-continuous