test: use codecov/codecov-action (#475)

.github/workflows/react-component-ci.yml

@@ -1,10 +1,6 @@
 name: CI
 
-on:
-  push:
-    branches: [master]
-  pull_request:
-    branches: [master]
+on: ['push', 'pull_request']
 
 jobs:
   setup:
@@ -109,6 +105,11 @@ jobs:
           key: node_modules-${{ hashFiles('**/package-temp-dir/package-lock.json') }}
 
       - name: coverage
-        run: npm test -- --coverage && bash <(curl -s https://codecov.io/bash)
+        run: npm test -- --coverage
+
+      - name: Upload coverage to Codecov
+        uses: codecov/codecov-action@v4
+        with:
+          token: ${{ secrets.CODECOV_TOKEN }}
 
     needs: setup