Stop using kaniko debug image

.gitlab-ci.yml

 build_with_kaniko:
   stage: build
   image:
-    name: gcr.io/kaniko-project/executor:debug
+    name: gcr.io/kaniko-project/executor:latest
     entrypoint: [""]
   script:
     - echo "{\"auths\":{\"$CI_REGISTRY\":{\"auth\":\"$(echo -n $CI_REGISTRY_USER:$CI_REGISTRY_PASSWORD | base64 -w 0)\"},\"$HARBOR_REGISTRY\":{\"auth\":\"$(echo -n $HARBOR_REGISTRY_USER:$HARBOR_REGISTRY_PASSWORD | base64 -w 0)\"}}}" > /kaniko/.docker/config.json