Update actions/setup-node action to v6 (#1504)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>
Co-authored-by: kodiakhq[bot] <49736102+kodiakhq[bot]@users.noreply.github.com>
Co-authored-by: Sarah Gerrard <gerrardsarah@gmail.com>

Author: 3 people

.github/workflows/orama_sync.yml

@@ -22,7 +22,7 @@ jobs:
         with:
           version: 10
       - name: Setup Node.js
-        uses: actions/setup-node@v4
+        uses: actions/setup-node@v6
         with:
           node-version: 24.x
           cache: pnpm