message: use git clone depth of '3' for all ci jobs
diff: @@ -2,12 +2,13 @@ stages:
  - build
  - deploy
  +variables:
  + GIT_DEPTH: "3"
  +
  .job_template: &build_job
  type: build
  tags:
  - build
  - variables:
  - GIT_DEPTH: "3"
  .job_template: &release_job
  type: deploy
  