[vala] (14 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:

  3f05421... coverage: Build gidl-bindings
  ba531aa... ci: Add .gitlab-ci.yml
  03b1cec... ci: Add ubuntu:16.04 run with gcc
  c6f4ef7... ci: Add archlinux:latest run with gcc
  ffc680c... ci: Add alpine:edge run with gcc
  c7b800d... ci: Add fedora:rawhide run with clang
  ddef844... Fedora rawhide is broken
  d3c4b1e... ci: Use Fedora 34 (broken DBus)
  0e9a9f9... Ubuntu devel is broken
  a9b4ede... Alpine edge is broken
  0be5481... ci: Build manual as pdf and html
  4ec71b1... ci: Always deploy

Commits added to the branch:

  3e650c1... tests: Add runtime checks to signals tests and increase cov (*)
  56bc688... vala: Report error on missing gio-2.0 package for async con (*)
  3ea3790... coverage: Build gidl-bindings
  5778f5c... ci: Add .gitlab-ci.yml
  17ffae2... ci: Add ubuntu:16.04 run with gcc
  1c76d88... ci: Add archlinux:latest run with gcc
  85d6b9f... ci: Add alpine:edge run with gcc
  112b3ae... ci: Add fedora:rawhide run with clang
  f4146de... Fedora rawhide is broken
  b566fd7... ci: Use Fedora 34 (broken DBus)
  7c20429... Ubuntu devel is broken
  bb95865... Alpine edge is broken
  1c1f7ed... ci: Build manual as pdf and html
  6a64ac7... ci: Always deploy

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