[gssdp] (44 commits) Non-fast-forward update to branch wip/ci

[Jens Georg <jensgeorg src gnome org>]

The branch 'wip/ci' 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:

  7616c87... ci: Add flatpak-based CI

Commits added to the branch:

  96f3a52... client: Proper type for message-received signal (*)
  1affd8d... Replace Bugzilla by Gitlab URL in DOAP file (*)
  1880b86... client: Use utsname.release for version (*)
  74a63ab... client,resource-browser: Add UPnP version (*)
  c3149ea... client: Fall-back to UDA 1.0 if unspecified (*)
  3bfce1a... Prepare 1.1.2 (*)
  baeb27c... Post-release version bump (*)
  357dc3a... sniffer: Fix left-over g_strdup (*)
  0710f9c... sniffer: Add enums for columns (*)
  63423c9... client: Add fall-back for socket family (*)
  2a4e3b8... net: Add list_devices() function (*)
  1b40f2b... Bump minimum glib version to 2.44 (*)
  71457e9... client: Crash due to dangling pointer (*)
  ced9e81... socket-source: Request either PKTINFO or PKTINFO6 (*)
  ac5e4e5... socket-util: Use g_type_ensure (*)
  8e23bd2... client: Introduce boot-id and config-id (*)
  1b18860... client: Do not delete internal headers (*)
  af99752... resource-group: Implement updates (*)
  ed5a017... client: Fix Server: header default (*)
  7c8675e... resource-browser: Implement ssdp:update handling (*)
  ffb06da... examples: Add simple python example (*)
  2f4bf88... client: Update documentation (*)
  d69e00d... client: minor style fixes (*)
  6999a5a... Prepare 1.1.3 (*)
  d40061a... Post-release version bump (*)
  6155175... Prepare 1.2.0 (*)
  3b085a7... Make get_device_list properly portable (*)
  04ac7aa... resource-group: Convert local include to global (*)
  454c1d5... Prepare 1.2.1 (*)
  84ac385... build: fix macOS dylib versioning (*)
  62bf977... Post-release version bump (*)
  eb0c348... update the minimum required glib/gio/gobject versions (*)
  a8ea4e5... socket-source: Set multicast sending interface (*)
  0e87f5a... Prepare 1.2.2 (*)
  a7666e7... Post-release version bump (*)
  8d54d97... client: Prevent crash if not initialized (*)
  5728c90... net: Fix critical if device does not exist (*)
  94e709a... socket-source: ::1 Should not set mcast interface (*)
  44cb3b0... client: Add getter for mask (*)
  a6d25ce... client: Add missing prototype for get_address_mask (*)
  a4eb743... Prepare 1.2.3 (*)
  6294263... Post-release version bump (*)
  793f6ce... tests: Add test for getting the netmask (*)
  124bf79... ci: Add flatpak-based CI

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