Use npm instead of yarn

Author: cameronkinsella

.circleci/config.yml

@@ -1,20 +1,19 @@
 version: 2.1
 orbs:
-  node: circleci/node@1.1.6
+  node: circleci/node@5.0.2
 jobs:
   build-deploy:
     executor:
       name: node/default
+      tag: '16'
     steps:
       - checkout
-      - node/with-cache:
-          steps:
-            - run: yarn install
-      - run: yarn build
+      - node/install-packages
+      - run: npm run build
       - run: ./node_modules/.bin/firebase deploy --token "$FIREBASE_TOKEN"
 
 workflows:
   deploy:
     jobs:
       - build-deploy:
-          context: Firebase
+          context: Firebase