Update codecov

Signed-off-by: Peter Zhu <zhujiaxi@amazon.com>

.github/workflows/build-test.yml

@@ -27,5 +27,3 @@ jobs:
         run: echo "Please run 'npm run format' before commiting the code!"
       - name: Run build
         run: npm run build
-      - name: Run Test
-        run: npm test

package.json

@@ -22,7 +22,7 @@
     "format": "prettier --write src/**/*.ts test/**/*.ts configs/**/*.yml",
     "format-dryrun": "prettier --check src/**/*.ts test/**/*.ts configs/**/*.yml",
     "lint": "eslint --fix \"src/**/*.ts\" --ignore-pattern \"**/*.d.ts\"",
-    "test": "jest"
+    "test": "jest --coverage"
   },
   "dependencies": {
     "@aws-sdk/client-opensearch": "^3.658.1",