ci: add setup action

Author: barmac

.github/workflows/CI.yml

@@ -27,5 +27,7 @@ jobs:
         cache: 'npm'
     - name: Install dependencies
       run: npm ci
+    - name: Project setup
+      uses: bpmn-io/actions/setup@latest
     - name: Build
-      run: npm run all
+      run: npm run all