ci: add project setup

Author: barmac

.github/workflows/CI.yml

@@ -26,5 +26,7 @@ jobs:
       - name: Install dependencies for integration test
         if: ${{ matrix.integration-deps != '' }}
         run: npm install ${{ matrix.integration-deps }}
+      - name: Setup project
+        uses: bpmn-io/actions/setup@latest
       - name: Build
         run: npm run all