[TASK] — changed gitlab-ci to yarn execute

.gitlab-ci.yml

@@ -9,15 +9,15 @@ linting:
     paths:
     - node_modules/
   script:
-    - npm install
-    - npm run-script lint
+    - yarn install
+    - yarn lint
 
 deploy:
   stage: deploy
   image: node:14.15.1
   script:
-    - npm install
-    - npm run-script build
+    - yarn install
+    - yarn build
   artifacts:
     paths:
     - public