[libsoup] (16 commits) Non-fast-forward update to branch wip/http2

[Carlos Garcia Campos <carlosgc src gnome org>]

The branch 'wip/http2' 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:

  1080bb5... docker: Add http2 dependencies
  2e2cbe2... ci: Bump image version
  c2e5707... Add initial HTTP2 backend
  4c61ec3... tests: fix http2 tests
  2b58016... session: create a new connection for preconnect requests th
  7f0be15... tests: allow to run the http2 tests from the test executabl
  4bad2bc... fixup! Add initial HTTP2 backend
  67364c0... fixup! Add initial HTTP2 backend
  e6aa018... fixup! Add initial HTTP2 backend
  1657f21... fixup! Add initial HTTP2 backend
  48a7e13... fixup! Add initial HTTP2 backend
  cebce01... Revert extra read after need-more-data
  721c20c... fixup! Add initial HTTP2 backend
  16b58da... fixup! Add initial HTTP2 backend
  a1e566c... fixup! Add initial HTTP2 backend
  145f2a2... fixup! Add initial HTTP2 backend
  4541288... http2: Add cancellation test
  90d4352... fixup! Add initial HTTP2 backend

Commits added to the branch:

  548991d... Move soup_message_setup_body_istream() to soup-session (*)
  3a8852d... Refactor common code in 'soup_client_message_io_http1_finis (*)
  edd3d21... Update Occitan translation (*)
  27ec68b... sniffer: do not copy the buffer passed to the sniffer (*)
  fcbbcf2... sniffer: remove unused bytes for sniffing from SoupMessage (*)
  8a4e1e7... message: add soup_message_try_sniff_content() (*)
  3422d86... client-message-io-http1: disconnect the right signal (*)
  0462456... docs: Minor typo fixes (*)
  11bd65c... io-http1: split SoupClientMessageIOHTTP1 in two (*)
  407f7b1... connection: move the code to check if idle connection is op (*)
  021efed... docker: Add http2 dependencies
  0b67d5f... ci: Bump image version
  a770371... Add initial HTTP2 backend
  271453b... tests: fix http2 tests
  80c3bd2... session: create a new connection for preconnect requests th
  c906293... tests: allow to run the http2 tests from the test executabl

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