Upgrade actions/setup-node to v4

Author: xavierfoucrier

.github/workflows/deploy-docs.yml

@@ -11,8 +11,8 @@ jobs:
   deploy:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/setup-node@v3
       - uses: actions/checkout@v4
+      - uses: actions/setup-node@v4
         with:
           node-version: '18'