[pango] (14 commits) Non-fast-forward update to branch serializer

[Matthias Clasen <matthiasc src gnome org>]

The branch 'serializer' 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:

  1797aef... Add serialization api
  befadb3... Initial serialization implementation
  e6b3cb4... Wedge the gtk css parser into pango
  5843ff2... Implement pango_layout_deserialize
  f63f06d... Add a serialization test

Commits added to the branch:

  60f8171... Fix a bug in Small Caps handling (*)
  4db8ff2... Skip the test on macOS (*)
  82599ca... Merge branch 'fix-itemize-crash' into 'main' (*)
  f677cdb... Add serialization api
  db7ba06... Initial serialization implementation
  cf06531... Wedge the gtk css parser into pango
  59f6c57... Implement pango_layout_deserialize
  8247bfe... Add a serialization test
  1056a0a... Add pango_attr_list_to/from_string
  5351944... Add an attr list serialization test
  3d24ce2... serializer: Parse attributes
  5b5bb11... Add pango_tab_array_to/from_string
  0275c12... Add a test for tab array serialization
  07de677... serializer: Use the new tabarray api

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