Merge branch 'sh-bump-google-chrome' into 'master'

Bump Google Chrome to V67

See merge request gitlab-org/gitlab-ce!19601

.gitlab-ci.yml

-image: "dev.gitlab.org:5005/gitlab/gitlab-build-images:ruby-2.4.4-golang-1.9-git-2.17-chrome-65.0-node-8.x-yarn-1.2-postgresql-9.6-graphicsmagick-1.3.29"
+image: "dev.gitlab.org:5005/gitlab/gitlab-build-images:ruby-2.4.4-golang-1.9-git-2.17-chrome-67.0-node-8.x-yarn-1.2-postgresql-9.6-graphicsmagick-1.3.29"
 
 .dedicated-runner: &dedicated-runner
   retry: 1