fix: update workflow configuration

Author: David Leal

.github/workflows/ci.yaml

@@ -3,26 +3,4 @@ name: CI
 on:
   pull_request:
     branches:
-      - main
-
-jobs:
-  build-and-test:
-    runs-on: ubuntu-latest
-
-    steps:
-      - name: Checkout code
-        uses: actions/checkout@v4
-
-      - name: Set up Node.js
-        uses: actions/setup-node@v4
-        with:
-          node-version: '20'
-
-      - name: Install dependencies
-        run: npm ci
-
-      - name: Build TypeScript (production)
-        run: npm run build
-
-      - name: Run tests (local Node.js + mocks)
-        run: npm test 
+      - main