chore: pipe test results to datadog (#2342)

* chore: pipe test results to datadog

* chore: upgrade to v2, remove import flag

Author: halfwhole

.github/workflows/ci.yml

@@ -66,7 +66,15 @@ jobs:
             ${{ runner.OS }}-node-
             ${{ runner.OS }}-
       - run: npm ci --legacy-peer-deps
+      - name: Configure Datadog Test Visibility
+        uses: datadog/test-visibility-github-action@v2
+        with:
+          languages: js
+          service: gogovsg
+          api_key: ${{ secrets.DD_API_KEY }}
       - run: npm run test
+        env:
+          NODE_OPTIONS: -r ${{ env.DD_TRACE_PACKAGE }}
       - name: Coveralls
         uses: coverallsapp/github-action@master
         with:
@@ -91,7 +99,15 @@ jobs:
             ${{ runner.OS }}-
       - run: npm ci --legacy-peer-deps
       - run: echo CLOUDMERSIVE_KEY=${{secrets.CLOUDMERSIVE_KEY}} >> .env
+      - name: Configure Datadog Test Visibility
+        uses: datadog/test-visibility-github-action@v2
+        with:
+          languages: js
+          service: gogovsg
+          api_key: ${{ secrets.DD_API_KEY }}
       - run: npm run test:e2e-headless
+        env:
+          NODE_OPTIONS: -r ${{ env.DD_TRACE_PACKAGE }}
   integration:
     name: Integration Tests
     runs-on: ubuntu-22.04
@@ -113,7 +129,15 @@ jobs:
       - run: npm ci --legacy-peer-deps
       - run: npm run dev &
       - run: sleep 270
+      - name: Configure Datadog Test Visibility
+        uses: datadog/test-visibility-github-action@v2
+        with:
+          languages: js
+          service: gogovsg
+          api_key: ${{ secrets.DD_API_KEY }}
       - run: npm run test:integration
+        env:
+          NODE_OPTIONS: -r ${{ env.DD_TRACE_PACKAGE }}
   gatekeep:
     name: Determine if Build & Deploy is needed
     outputs: