[gupnp] (10 commits) Non-fast-forward update to branch wip/phako/libsoup3

[Jens Georg <jensgeorg src gnome org>]

The branch 'wip/phako/libsoup3' 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:

  689ddd1... ci: Switch to flatpak temporarily
  04cabaa... Initial port to libsoup3 API
  2b28a0b... wip: More libsoup3 fixes

Commits added to the branch:

  3065367... all: Bump API version (*)
  669d4a8... XMLDoc: Implement GInitable (*)
  544d8d1... ServiceIntrospection: Implement GInitable (*)
  daeac1a... Context: Use port property from GSSDP.Client (*)
  8eb5275... Context: Remove property set (*)
  610b957... doc: Fix dependencies for manpage (*)
  5d7279c... service: Move ServiceAction code into its own file (*)
  a257c05... ServiceInfo: Deprecate old introspection functions (*)
  b77d973... service: Remove constructor (*)
  8ce9544... all: Initial port to libsoup3 API

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