[gi] set length for uint8 in arrays in new invoke marshaller
[gi] set length for uint8 in arrays in new invoke marshaller

davidmalcolm/pygobject,pexip/pygobject,jdahlin/pygobject,davidmalcolm/pygobject,jdahlin/pygobject,choeger/pygobject-cmake,thiblahute/pygobject,pexip/pygobject,choeger/pygobject-cmake,davibe/pygobject,davidmalcolm/pygobject,sfeltman/pygobject,MathieuDuponchelle/pygobject,GNOME/pygobject,MathieuDuponchelle/pygobject,thiblahute/pygobject,davibe/pygobject,MathieuDuponchelle/pygobject,sfeltman/pygobject,davibe/pygobject,thiblahute/pygobject,sfeltman/pygobject,jdahlin/pygobject,pexip/pygobject,GNOME/pygobject,choeger/pygobject-cmake,davibe/pygobject,GNOME/pygobject