fix: init submodules in coverage on ci

Author: Justintime50

.github/workflows/build.yml

@@ -41,7 +41,9 @@ jobs:
         with:
           node-version: '24'
       - name: Install dependencies
-        run: npm install
+        run: |
+          npm install
+          git submodule init && git submodule update
       - name: Run tests
         run: npm run coverage
       - uses: codecov/codecov-action@v5