minor syntax fix

.gitlab-ci.yml

@@ -8,14 +8,14 @@ build_image:
     name: gcr.io/kaniko-project/executor:v1.14.0-debug
     entrypoint: [""]
   before_script:
-    - >
+    - |
       if [ "$CI_COMMIT_REF_NAME" = "12-create-a-pipeline-to-build-and-publish-the-docker-image-in-gitlab-registry" ]; then
         export IMAGE_TAG=$CI_COMMIT_TAG
         export ADDITIONAL_TAG="latest"
       elif [ "$CI_COMMIT_REF_NAME" = "develop" ]; then
         export IMAGE_TAG="develop"
       fi
-    - echo "Building Docker image with tag: $IMAGE_TAG"
+    - echo "Building Docker image with tag $IMAGE_TAG"
   script:
     - /kaniko/executor
         --context "${CI_PROJECT_DIR}"