[vala] (22 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:

  5847737... coverage: Build gidl-bindings
  3f86138... ci: Add .gitlab-ci.yml
  fbf1080... ci: Add ubuntu:16.04 run with gcc
  857dd87... ci: Add archlinux:latest run with gcc
  2f0be7b... ci: Add alpine:edge run with gcc
  9b256d5... ci: Add fedora:rawhide run with clang
  677f23b... Fedora rawhide is broken
  d6b470e... ci: Use Fedora 34 (broken DBus)
  da0ea4e... Ubuntu devel is broken
  dfd124b... Alpine edge is broken
  1ca20b1... ci: Build manual as pdf and html
  f4ee8d6... ci: Always deploy

Commits added to the branch:

  2605e57... Sync NEWS from 0.54 (*)
  636ae06... glib-2.0: Always use the actual C type for CCode.array_leng (*)
  9f1fa33... vala: Check accessibility of initializer for constant and e (*)
  8c2fa82... vapigen.m4: use $PKG_CONFIG_SYSROOT_DIR (*)
  f4862e9... build: Update git-version-gen to latest upstream (*)
  ce24cc8... tests/girwriter: Use the actual expected output of our girw (*)
  439c219... gtkmodule: Handle nested closure elements and bind them acc (*)
  56a90b0... vala: NullLiteral is not a valid argument for string concat (*)
  55677ef... tests: Add missing tests/structs/struct-static-field-initia (*)
  1473f3e... codegen: Correctly handle chain up of struct creation metho (*)
  808a28a... coverage: Build gidl-bindings
  29e5925... ci: Add .gitlab-ci.yml
  a8e9ebc... ci: Add ubuntu:16.04 run with gcc
  68ffa0e... ci: Add archlinux:latest run with gcc
  22c907d... ci: Add alpine:edge run with gcc
  7c0d67d... ci: Add fedora:rawhide run with clang
  b085511... Fedora rawhide is broken
  a999af6... ci: Use Fedora 34 (broken DBus)
  bc407d1... Ubuntu devel is broken
  8fb66ec... Alpine edge is broken
  bbdf75f... ci: Build manual as pdf and html
  76a9dd2... ci: Always deploy

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