Update npm-package.yml

Author: DavDag

.github/workflows/npm-package.yml

@@ -42,6 +42,11 @@ jobs:
           github_token: ${{ secrets.GITHUB_TOKEN }}
           branch: main
 
+      - name: Upload GitHub Pages artifact
+        uses: actions/[email protected]
+        with:
+          name: coverage/lcov-report
+
   publish-npm:
     needs: build
     runs-on: ubuntu-latest