fix: add --coverage flag to generate coverage reports for Codecov

Author: zetxtech

.github/workflows/test-and-publish.yml

@@ -37,8 +37,8 @@ jobs:
       - name: Build
         run: npm run build
 
-      - name: Run tests
-        run: npm test
+      - name: Run tests with coverage
+        run: npm test -- --coverage
 
       - name: Upload coverage
         if: matrix.node-version == '20.x'