chore: increment node version in github actions (#64)

Author: notrev

.github/workflows/release.yml

@@ -16,7 +16,7 @@ jobs:
       - name: Setup Node.js
         uses: actions/setup-node@v1
         with:
-          node-version: 12
+          node-version: 16
       - name: Install dependencies
         run: npm ci
       - name: Run tests