Fix checkout submodules syntax

Author: RobLoach

.github/workflows/Publish.yml

@@ -17,7 +17,8 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
-        submodules: true
+        with:
+          submodules: true
 
       - name: Setup Emscripten
         uses: mymindstorm/setup-emsdk@v14