[vala] (13 commits) Non-fast-forward update to branch wip/ci

[Rico Tzschichholz <ricotz 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:

  23a6f18... coverage: Build gidl-bindings
  ffc8a42... ci: Add .gitlab-ci.yml
  cce748b... ci: Add ubuntu:16.04 run with gcc
  c455b1f... ci: Add ubuntu:18.04 run with gcc
  d63a887... ci: Add fedora:rawhide run with clang
  8958784... ci: Add archlinux/base:latest run with gcc
  5989c42... ci: archlinux/bison - https://bugs.archlinux.org/task/64165
  3ea2222... ci: Add alpine:edge run with gcc
  0508995... ci: Always deploy

Commits added to the branch:

  4683685... codegen: Use temp_ref_values list instead of patching the A (*)
  63551ac... codegen: Don't leak memory moving heap-allocated struct to  (*)
  1383402... codegen: Chain up to base struct destroy function (*)
  d9a849a... tests: Don't leak array if length is -1 (*)
  4cb6591... coverage: Build gidl-bindings
  80c59a7... ci: Add .gitlab-ci.yml
  f0c7fa0... ci: Add ubuntu:16.04 run with gcc
  92e58f1... ci: Add ubuntu:18.04 run with gcc
  9cd4fc9... ci: Add fedora:rawhide run with clang
  a2581a2... ci: Add archlinux/base:latest run with gcc
  9b5c273... ci: archlinux/bison - https://bugs.archlinux.org/task/64165
  8f376df... ci: Add alpine:edge run with gcc
  ac0de8e... ci: Always deploy

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