try to bump up to macos OSX 10.10 in order to...
Update jhbuildrc-gtk-osx-gimp try to bump up to macos OSX 10.10 in order to pick up on coretext things for harfbuzz 2.6.6
Update jhbuildrc-gtk-osx-gimp try to bump up to macos OSX 10.10 in order to pick up on coretext things for harfbuzz 2.6.6