Update cmake-multi-platform.yml

.github/workflows/cmake-multi-platform.yml

@@ -54,7 +54,7 @@ jobs:
     steps:
     - uses: actions/checkout@v3
       with:
-      submodules: 'true'
+        submodules: 'recursive'
 
     - name: Set reusable strings
       # Turn repeated input strings (such as the build output directory) into step outputs. These step outputs can be used throughout the workflow file.