Update codecov.yml

Author: seongwon030

.github/workflows/codecov.yml

@@ -14,16 +14,26 @@ jobs:
       - name: Checkout
         uses: actions/checkout@v4
         with:
-          fetch-depth: 0
+          fetch-depth: 0  
+          path: moadong/Moadong/frontend
 
       - name: Set up Node
         uses: actions/setup-node@v4
+        with:
+          node-version: 22.12.0
 
       - name: Install dependencies
+        working-directory: moadong/Moadong/frontend
         run: npm install
 
       - name: Run tests
+        working-directory: moadong/Moadong/frontend
         run: npx jest --coverage
 
       - name: Upload results to Codecov
         uses: codecov/codecov-action@v5
+        with:
+          files: ./coverage/lcov.info 
+          flags: unittests
+          name: codecov-coverage
+          fail_ci_if_error: true