Update actions/setup-node action to v6.4.0

Author: renovate[bot]

.github/workflows/validate-renovate.yml

@@ -12,7 +12,7 @@ jobs:
 
     steps:
       - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
-      - uses: actions/setup-node@v6.3.0
+      - uses: actions/setup-node@v6.4.0
 
       - name: install
         run: |