chore(deps): update actions/setup-node action to v6.4.0

Author: renovate[bot]

.github/workflows/validate-renovate-config.yml

@@ -26,7 +26,7 @@ jobs:
         with:
           version: '10.33.2'
 
-      - uses: actions/setup-node@53b83947a5a98c8d113130e565377fae1a50d02f # v6.3.0
+      - uses: actions/setup-node@48b55a011bda9f5d6aeb4c2d9c7362e8dae4041e # v6.4.0
         with:
           node-version: '24'