[NetworkManager-pptp] (13 commits) ...merge: branch 'lr/gtk-4.0'

[Lubomir Rintel <lkundrak src gnome org>]

Summary of changes:

  e72684e... build: do a "make dist" insteadof "make distcheck" in build (*)
  af68206... build: bump GLib version (*)
  304c2d5... build: don't include resource files in tarball (*)
  92cd176... build: enable errors on autogen.sh (*)
  e015c49... build: check max gtk version (*)
  f31793e... properties: remove NM_PLUGIN_DIR (*)
  98ad08b... properties: rework advanced dialog layout (*)
  b406215... properties: rework main widget layout (*)
  ae4e240... properties: drop deprecated properties (*)
  28bc82f... properties: use a header bar for advanced dialog (*)
  66c7236... properties: port to Gtk4 (*)
  f7bf9a4... build: distribute gtk4/nm-openvpn-dialog.ui (*)
  7643d57... merge: branch 'lr/gtk-4.0'

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