[pango] (30 commits) Non-fast-forward update to branch wip/matthiasc/font-variations

[Behdad Esfahbod <behdad src gnome org>]

The branch 'wip/matthiasc/font-variations' 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:

  fcbbae5... Add some font description tests
  58bb722... Test attribute iterators
  fc91478... Add initial support for OpenType font variations
  e522f49... Add some tests with variations
  a257f18... Fix warning
  9564f16... meson: Add required gir dependencies to fix broken build
  f27f0b9... pango-view: Add a font-variations example
  db9d1e0... Add an out-of-range value
  8ad0242... [fc] Request variable fonts from fontconfig
  cfff08b... [fc] Only set variations if non-empty
  e454f25... [cairo] Don't set font variations on cairo_font_options_t
  a6181bd... Make variations test more generic

Commits added to the branch:

  ff054e8... Fix warning (*)
  a22187d... meson: Add required gir dependencies to fix broken build (*)
  0b9aac2... Visual Studio builds: Enhance security of x64 binaries (*)
  c53d562... testiter: Don't leak PangoFontDescriptions (*)
  fa79c5f... layout: Move PangoLayouIter struct to private header (*)
  1599288... layout/renderer: Don't heap-allocate short lived layout ite (*)
  0d14052... PangoLayoutIter: Allocate an array of Extents instead of a  (*)
  7721b0b... PangoLayout: Optimize pango_layout_get_baseline (*)
  c461948... Update pango_default_break function for Line Break (*)
  fd7d30b... Fix parameter name to match implementation (*)
  377b6e7... 1.40.13 (*)
  e8316c1... Fix is_char_break issue in pango_default_break function (*)
  e6f63d7... Add char break test cases (*)
  46a6496... Drop fixup_broken_linebreaktest variable (*)
  cd26b69... 1.40.14 (*)
  0813fca... Fix test build (*)
  3e5769a... [pangocairo] Pick up font-options from cairo_t (*)
  5ccfe0c... Remove copy of introspection.m4 from acinclude.m4 (*)
  d1dc7bc... Drop unused _pango_ft2_ft_strerror (*)
  4a90fcc... Remove declarations for non-existing functions (*)
  53c483c... Add some font description tests
  95c2aaa... Test attribute iterators
  efa66e7... Add initial support for OpenType font variations
  3ccb608... Add some tests with variations
  a78ce2a... pango-view: Add a font-variations example
  4713461... Add an out-of-range value
  6a9c066... [fc] Request variable fonts from fontconfig
  905ccc5... [fc] Only set variations if non-empty
  e4e3053... [cairo] Don't set font variations on cairo_font_options_t
  cb84dd0... Make variations test more generic

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