paritytech/ci_cd#852: Remove misused artifact instructions

.gitlab-ci.yml

@@ -58,45 +58,41 @@ variables:
     - if: $CI_COMMIT_REF_NAME == "main"
     - if: $CI_COMMIT_REF_NAME =~ /^v[0-9]+\.[0-9]+.*$/ # i.e. v1.0, v2.1rc1
 
-# telling gitlab to collect artifacts from artifacts/ folder to path it to other jobs
-.collect-artifacts: &collect-artifacts
-  artifacts:
-    name: "${CI_JOB_NAME}_${CI_COMMIT_REF_NAME}"
-    when: on_success
-    expire_in: 2 days
-    paths:
-      - artifacts/
-
 test:
   stage: test
   <<: *kubernetes-env
   <<: *common-refs
-  <<: *collect-artifacts
+  cache:
+    - key:
+        files:
+        - package-lock.json
+    - paths:
+      - packages/
+      - package.json
+      - package-lock.json
   script:
-    - mkdir -p artifacts
     - cd javascript
     - npm install
     # - npm run test
     - echo testme
-    - cp -r packages/ ../artifacts/
-    - cp package.json ../artifacts/
-    - cp package-lock.json ../artifacts/
-    - ls -ltr ../artifacts/*
 
 build:
   stage: build
   <<: *kubernetes-env
   <<: *common-refs
-  <<: *collect-artifacts
+  cache:
+    - key:
+        files:
+        - package-lock.json
+    - paths:
+      - packages/
+      - package.json
+      - package-lock.json
   script:
-    - mkdir -p artifacts
     - cd javascript
     - npm install
     - npm run clean
     - npm run build
-    - cp -r packages/ ../artifacts/
-    - cp package.json ../artifacts/
-    - cp package-lock.json ../artifacts/
 
 # template task for building and pushing an image
 .build-push-docker-image: &build-push-docker-image