Mark CI job for image deployments with environment

This allows us to restrict access tokens to this particular job.

Author: PhilippWendler

.gitlab-ci.yml

@@ -242,6 +242,7 @@ reuse:
     - mkdir -p /root/.docker
     - echo "{\"auths\":{\"$CI_REGISTRY\":{\"username\":\"$CI_REGISTRY_USER\",\"password\":\"$CI_REGISTRY_PASSWORD\"}}}" > /kaniko/.docker/config.json
     - /kaniko/executor --dockerfile $CI_PROJECT_DIR/$DOCKERFILE --destination $CI_REGISTRY_IMAGE/$IMAGE
+  environment: deploy/docker
   only:
     - schedules
     - web