ci(deps): bump actions/setup-node from 4 to 5 (XRPLF#360)

Author: dependabot[bot]

.github/workflows/lint.yml

@@ -14,7 +14,7 @@ jobs:
         uses: actions/checkout@v5
 
       - name: Set up Node.js
-        uses: actions/setup-node@v4
+        uses: actions/setup-node@v5
         with:
           node-version: "24"