[gnome-shell-extensions/ci-test] ci: Switch image used in CI

[Florian Müllner <fmuellner src gnome org>]

commit ccf9f188b8d3dd8e206600fd1b5a06dd90250053
Author: Florian Müllner <fmuellner gnome org>
Date:   Sat Feb 16 00:10:44 2019 +0100

    ci: Switch image used in CI

 .gitlab-ci.yml | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)
---
diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 72c42e0..a4024c1 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -1,3 +1,5 @@
+image: registry.gitlab.gnome.org/gnome/gnome-shell/extension-ci:v1
+
 stages:
  - commit_check
  - source_check
@@ -13,7 +15,6 @@ variables:
         - merge_requests
 
 check_commit_log:
-    image: registry.gitlab.gnome.org/gnome/gjs:fedora.static-analysis
     stage: commit_check
     script:
         - ./.gitlab-ci/check-commit-log.sh
@@ -21,7 +22,6 @@ check_commit_log:
         - merge_requests
 
 eslint:
-  image: registry.gitlab.gnome.org/gnome/gjs:fedora.static-analysis
   stage: source_check
   script:
     - sh lint/generate-report.sh -o $LINT_LOG || { cat $LINT_LOG; false; }
@@ -32,7 +32,6 @@ eslint:
     when: on_failure
 
 build-shell-extensions:
-  image: fedora:latest
   stage: build
   before_script:
     - dnf install -y meson gettext mozjs60-devel