[vala] (15 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:

  12bdbb8... coverage: Build gidl-bindings
  36f63ba... ci: Add .gitlab-ci.yml
  d953de5... ci: Add ubuntu:16.04 run with gcc
  36af9fe... ci: Add archlinux:latest run with gcc
  482aca0... ci: Pin archlinux before glibc bump
  1ac22be... ci: Add alpine:edge run with gcc
  ec2584a... ci: Add fedora:rawhide run with clang
  32cdec2... Fedora rawhide is broken
  d5e89a1... ci: Always deploy

Commits added to the branch:

  c9c7c78... codegen: Don't free temp-var for element-access to array wi (*)
  5ac8840... codegen: Don't free temp-var for element-access to array wi (*)
  1cb798d... tests: Extend "GArray" tests to increase coverage (*)
  3c69ceb... codegen: Don't free unowned heap allocated struct (*)
  b9728ba... glib-2.0: Add simple_generics attribute to GenericArray.fin (*)
  23ccd78... Release 0.52.2 (*)
  e8ec253... coverage: Build gidl-bindings
  e0e4977... ci: Add .gitlab-ci.yml
  cb55d5f... ci: Add ubuntu:16.04 run with gcc
  630d7e9... ci: Add archlinux:latest run with gcc
  6cc4ff4... ci: Pin archlinux before glibc bump
  e5a8ecf... ci: Add alpine:edge run with gcc
  cca529d... ci: Add fedora:rawhide run with clang
  0020d97... Fedora rawhide is broken
  19feb71... ci: Always deploy

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