[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:

  f412179... coverage: Build gidl-bindings
  8933c1c... ci: Add .gitlab-ci.yml
  df65d90... ci: Add ubuntu:16.04 run with gcc
  e711a2d... ci: Add archlinux:latest run with gcc
  ca1657f... ci: Add alpine:edge run with gcc
  145d4e8... ci: Add fedora:rawhide run with clang
  6389e13... Ubuntu devel is broken
  58d6f60... ci: Use Fedora 34 (broken DBus)
  2c3cc33... ci: Build manual as pdf and html
  786d85f... ci: Always deploy

Commits added to the branch:

  0d6d200... vala: Some simplifications while TypeParameter is a TypeSym (*)
  ab482a7... vala: Add missing TraverseVisitor.visit_data_type() (*)
  9086fb1... tests: Generic type inference for static methods only in co (*)
  7b5c4f5... vala: Improve check of generic type references in static co (*)
  8885d24... codegen: Use correct target/destroy of delegate field initi (*)
  cf84f86... coverage: Build gidl-bindings
  8718414... ci: Add .gitlab-ci.yml
  c34abf6... ci: Add ubuntu:16.04 run with gcc
  1d3cb87... ci: Add archlinux:latest run with gcc
  ecfc276... ci: Add alpine:edge run with gcc
  02ce9dc... ci: Add fedora:rawhide run with clang
  0b06ee9... Ubuntu devel is broken
  e5c5ce9... ci: Use Fedora 34 (broken DBus)
  55dd3cb... ci: Build manual as pdf and html
  fe70131... ci: Always deploy

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