[gnome-builder] (8 commits) Non-fast-forward update to branch gitlabci

[Jordan Petridis <jpetridis src gnome org>]

The branch 'gitlabci' 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:

  e5d6935... gitlabci: Improve caching

Commits added to the branch:

  7c0bc1c... libide: make API more amenable to ABI enforcement (*)
  5a9bd4c... build: setup visibility flags without applying them (*)
  229277a... terminal: simplify getent call (*)
  3d2e4ad... build: add proper extern macros for internal plugin registr (*)
  b84c8dc... build: set default symbol visibility to hidden (*)
  b393427... qemu: check for 'F' flag in binfmt hooks for qemu-user-stat (*)
  73408b5... gitlabci: Improve caching
  8376626... gitlabci: Disable ccache

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