cache in CI only in build

.gitlab-ci.yml

@@ -1,8 +1,3 @@
-
-cache:
-    paths:
-        - node_modules/
-
 stages:
     - build
 #    - test
@@ -17,6 +12,9 @@ build_ui:
         - git submodule update --init
         - npm install
         - npm run build
+    cache:
+        paths:
+            - node_modules/
     artifacts:
         name: "basispanel-ui-$CI_COMMIT_REF_NAME"
         expire_in: 1h