another attempt to fix build issues

based on
https://github.com/orgs/community/discussions/152695#discussioncomment-12421607

Author: terrafrost

.github/workflows/ci.yml

@@ -19,7 +19,7 @@ jobs:
         working-directory: 'website'
     steps:
       - name: Checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
       - name: Set up Node.js
         uses: actions/setup-node@v3
         with:
@@ -29,11 +29,11 @@ jobs:
       - name: Build
         run: yarn build
       - name: Setup Pages
-        uses: actions/configure-pages@v1
+        uses: actions/configure-pages@v4
       - name: Upload artifact
-        uses: actions/upload-pages-artifact@v1
+        uses: actions/upload-pages-artifact@v3
         with:
           path: website/build/phpseclib.github.io
       - name: Deploy to GitHub Pages
         id: deployment
-        uses: actions/deploy-pages@v1
+        uses: actions/deploy-pages@v4