Update config.yml

Author: Vortexmind

.circleci/config.yml

@@ -12,7 +12,7 @@ jobs:
       - checkout
       - run:
           name: Upgrade npm
-          command: npm install -g [email protected]
+          command: npm install [email protected]
       - run: rm -rf node_modules package-lock.json
       - run: npm install
       - run: