Update actions/download-artifact action to v5

Author: renovate[bot]

.github/workflows/deploy-web-demo.yml

@@ -70,7 +70,7 @@ jobs:
     - name: Checkout
       uses: actions/checkout@v4
     - name: Download demo artifacts
-      uses: actions/download-artifact@v4
+      uses: actions/download-artifact@v5
       with:
         name: dist-demo
         path: platforms/web/dist-demo