chore(deps): update actions/setup-node action to v5

Author: renovate[bot]

.github/workflows/cloudflare-pages.yml

@@ -21,7 +21,7 @@ jobs:
         uses: actions/checkout@v5
 
       - name: Setup Node
-        uses: actions/setup-node@v4
+        uses: actions/setup-node@v5
         with:
           node-version: "19"
 

.github/workflows/lint.yml

@@ -8,7 +8,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v5
-      - uses: actions/setup-node@v4
+      - uses: actions/setup-node@v5
         with:
           node-version: 22
       - run: npm ci