chore(CI): fix pnpm not found in eco CI (#4300)

Author: chenjiahan

.github/workflows/ecosystem-ci.yml

@@ -34,12 +34,17 @@ jobs:
         uses: actions/[email protected]
         with:
           fetch-depth: 1
+
+      - name: Install Pnpm
+        run: corepack enable
+
       - name: Setup Node.js
         if: steps.eco_ci.outcome == 'failure'
         uses: actions/[email protected]
         with:
           node-version: 22
           cache: 'pnpm'
+
       - name: Send Failure Notification
         if: steps.eco_ci.outcome == 'failure'
         shell: bash