🐛 fix: update node version from 12 to 16

Author: gleisonkz

.github/ci.yml

@@ -15,7 +15,7 @@ jobs:
       - uses: actions/checkout@v2
       - uses: actions/setup-node@v1
         with:
-          node-version: '12.x'
+          node-version: '16.x'
       - name: Install 🔧
         run: npm ci