fix alignment in delivery.yaml

delivery.yaml

@@ -58,21 +58,21 @@ pipeline:
             export IMAGE
             make push
 
-  - id: "build-operator-ui"
-    type: "script"
+    - id: build-operator-ui
+      type: script
 
       commands:
-      - desc: "Prepare environment"
+        - desc: 'Prepare environment'
           cmd: |
             apt-get update
             apt-get install -y build-essential
 
-      - desc: "Compile JavaScript app"
+        - desc: 'Compile JavaScript app'
           cmd: |
             cd ui
             make appjs
 
-      - desc: "Build and push Docker image"
+        - desc: 'Build and push Docker image'
           cmd: |
             cd ui
             image_base='registry-write.opensource.zalan.do/acid/postgres-operator-ui'