[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:

  fc2e7a3... ci: Add .gitlab-ci.yml
  96cb4e5... ci: Always deploy
  39ee886... ci: Add ubuntu lts 16.04 run with gcc
  e0b2206... ci: Add ubuntu lts 18.04 run with gcc
  7ff82f7... ci: Add fedora rawhide run with clang
  3b7af54... ci: Switch image from fedora:rawhide to fedora:latest

Commits added to the branch:

  5779d7f... vala: Reject unary operations on nullable integer/floating  (*)
  3c5d2b6... Release 0.46.0 (*)
  2603782... valadoc: Explicitly pass --pkg libvala@PACKAGE_SUFFIX@ as f (*)
  2c46fb1... vapi: Update GIR-based bindings (*)
  bbaae36... vala: Run FlowAnalyzer on all given source-files (*)
  d302612... gtk+-3.0: Fix ownership mismatch of ColorButton.rgba proper (*)
  e4e6718... ci: Add .gitlab-ci.yml
  d4e9477... ci: Always deploy
  8f26c9d... ci: Add ubuntu lts 16.04 run with gcc
  46cc994... ci: Add ubuntu lts 18.04 run with gcc
  ca3c898... ci: Add fedora rawhide run with clang
  a9fd57b... ci: Switch image from fedora:rawhide to fedora:latest
  8c5bd1f... ci: Add archlinux run with gcc

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