[gtk] (27 commits) Non-fast-forward update to branch wip/baedert/for-master

[Timm Bäder <baedert src gnome org>]

The branch 'wip/baedert/for-master' 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:

  f25f23b... vulkancontext: Remove usage of VK_ERROR_INCOMPATIBLE_VERSIO
  5952042... gl renderer: Unify viewport setting in add_offscreen_ops()
  c12fdc0... gl renderer: Render too big textures to the clipped area

Commits added to the branch:

  a5986f0... build: Use get_supported_link_arguments() (*)
  6181867... build: Remove unused backend_immodules variable (*)
  11bca98... build: Remove unused variable (*)
  7975bbf... build: Remove linker flags from static libraries (*)
  e75e44b... build: Remove duplicate definition (*)
  99e0929... build: Use a consistent style for Meson files (*)
  474b4ac... build: Use Meson support for dylib versions (*)
  bdbea0d... docs: Add more ignored header for GSK (*)
  f546e03... docs: Add missing symbols to the GSK reference (*)
  538aa6c... Move private GdkX11 symbols out of a public header (*)
  ff35172... docs: Add missing symbols to the GDK reference (*)
  a6bd0c7... Remove stray mentions of GdkConfigureEvent (*)
  91bba79... docs: Add missing symbols to the GTK reference (*)
  7335e16... Update the node format docs (*)
  3132b10... docs: Add more private headers (*)
  69b181f... Remove boxed type for GtkCrossingData (*)
  ea5e186... Hide GtkTextAttributes functions (*)
  5d2278a... docs: Add public symbols to the GTK reference (*)
  c551f69... Merge branch 'matthiasc/for-master' into 'master' (*)
  6039a36... Merge branch 'ebassi/for-master' into 'master' (*)
  338d3ff... Add a doc comment for gdk_surface_request_layout (*)
  e1df9a0... Add a doc comment for GskConicGradientNode (*)
  2192bb3... Merge branch 'matthiasc/for-master' into 'master' (*)
  3c24841... vulkancontext: Remove usage of VK_ERROR_INCOMPATIBLE_VERSIO
  f816a8f... gl renderer: Unify viewport setting in add_offscreen_ops()
  7f6608c... gl renderer: Render too big textures to the clipped area
  7eece7e... gl renderer: Take a out graphene_rect in blur_node()

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