💚 ci(github): Enable submodule checkout in deploy workflow

.github/workflows/neocities.yml

@@ -16,6 +16,8 @@ jobs:
 
     steps:
       - uses: actions/checkout@v3
+        with:
+          submodules: 'true'
       # Set up any tools and build steps here
       # This example uses a Node.js toolchain to build a site
       - name: Use Node.js