Fix Windows CI

Author: benthetechguy

.github/workflows/build.yml

@@ -33,6 +33,13 @@ jobs:
     steps:
     - uses: actions/checkout@v4
 
+    - name: Checkout vcpkg
+      id: submodule
+      if: ${{ runner.os == 'Windows' }}
+      uses: actions/checkout@v4
+      with:
+        submodules: 'true'
+
     - name: Set up dependencies
       id: depends
       if: ${{ runner.os == 'Linux' }}