[gtk] (5 commits) Non-fast-forward update to branch subpixel-positioning

[Matthias Clasen <matthiasc src gnome org>]

The branch 'subpixel-positioning' was changed in a way that was not a fast-forward update.
NOTE: This may cause problems for people pulling from the branch. For more information,
please see:

 https://wiki.gnome.org/Git/Help/NonFastForward

Commits removed from the branch:

  f92e362... Turn off metrics hinting
  45b7927... vulkan: implement subpixel positioning
  f8f66ff... gl: implement subpixel positioning

Commits added to the branch:

  f1c7803... label: Parse new pango attributes (*)
  ee553a9... Turn off metrics hinting
  5d7205b... vulkan: implement subpixel positioning
  f2a04cb... gl: implement subpixel positioning
  a739147... gl: Pass full y position when picking glyphs

(*) This commit already existed in another branch; no separate mail sent