update versions of actions in workflow deploty

.github/workflows/deploy.yml

@@ -1,5 +1,8 @@
 name: Deploy Website
 
+# documentation:
+# https://docs.astro.build/en/guides/deploy/github/#using-github-pages-with-a-custom-domain
+
 on:
   push:
     branches:
@@ -11,10 +14,10 @@ jobs:
 
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v2
+        uses: actions/checkout@v4
 
       - name: Set up Node.js
-        uses: actions/setup-node@v2
+        uses: actions/setup-node@v4
         with:
           node-version: '18'  # specify Node.js version
 
@@ -24,7 +27,7 @@ jobs:
           npm run build  # this assumes you have a build script in package.json
 
       - name: Deploy to GitHub Pages
-        uses: peaceiris/actions-gh-pages@v3
+        uses: peaceiris/actions-gh-pages@v4
         with:
           github_token: ${{ secrets.GITHUB_TOKEN }}
           publish_dir: ./dist  # Adjust this if your build output folder is different