ci: add test stage and audit job

.gitlab-ci.yml

@@ -3,7 +3,6 @@ image: registry.gitlab.com/openstapps/projectmanagement/node
 cache:
   key: ${CI_COMMIT_REF_SLUG}
   paths:
-    - lib
     - node_modules
 
 before_script:
@@ -11,14 +10,18 @@ before_script:
 
 stages:
   - build
+  - test
   - deploy
 
 build:
   stage: build
   script:
     - npm run build
-  except:
-    - schedules
+
+test:
+  stage: test
+  script:
+    - npm audit
 
 pages:
   stage: deploy