[at-spi2-core: 7/7] Merge branch 'ci-container-image' into 'master'

[Federico Mena Quintero <federico src gnome org>]

commit 85869fbba33fca191a29bfef6d15b9f0e596df90
Merge: a61f14ef 5f7a4aa0
Author: Federico Mena Quintero <federico gnome org>
Date:   Fri Dec 17 18:43:08 2021 +0000

    Merge branch 'ci-container-image' into 'master'
    
    Use a container image instead of rebuilding it each time.
    
    See merge request GNOME/at-spi2-core!65

 .gitlab-ci.yml                 |  53 ++---------------
 .gitlab-ci/README.md           |  56 ++++++++++++++++-
 .gitlab-ci/opensuse.Dockerfile |  33 +++++++++++
 .gitlab-ci/run-docker.sh       | 132 +++++++++++++++++++++++++++++++++++++++++
 .gitlab-ci/run-tests.sh        |   3 +-
 5 files changed, 226 insertions(+), 51 deletions(-)
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