Merge topic 'ci-config-sync'
b7350bc1 gitlab-ci: avoid collisions with other projects' sccache servers 30b05726 ci: update Qt to 5.15.1 e8e984a4 ci: update CMake to 3.18.4 Acked-by:Kitware Robot <kwrobot@kitware.com> Acked-by:
David Thompson <david.thompson@kitware.com> Merge-request: !765