Upgrade Node version for Github actions

.github/workflows/deploy.yml

@@ -15,13 +15,15 @@ jobs:
       - name: Setup Node.js
         uses: actions/setup-node@v1
         with:
-          node-version: "12.x"
+          node-version: "16.x"
 
       - name: Install npm dependencies
         run: yarn install
 
       - name: Lint
         run: yarn lint
+        env:
+          NEXT_TELEMETRY_DISABLED: 1
 
   deploy:
     runs-on: ubuntu-latest
@@ -33,7 +35,7 @@ jobs:
       - name: Setup Node.js
         uses: actions/setup-node@v1
         with:
-          node-version: "12.x"
+          node-version: "16.x"
 
       - name: Install npm dependencies
         run: yarn install