Checkout submodules when publishing to AWS S3

See #1972

Author: jaylinski

.github/workflows/release.yml

@@ -14,6 +14,8 @@ jobs:
     steps:
       - name: Checkout
         uses: actions/checkout@v2
+        with:
+          submodules: true
 
       - name: Setup Node.js
         uses: actions/setup-node@v2