Fix GitHub Pages workflow action versions

Author: Edwin Chan

.github/workflows/deploy.yml

@@ -20,16 +20,16 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v7
+        uses: actions/checkout@v4
 
       - name: Set up Node.js
-        uses: actions/setup-node@v6
+        uses: actions/setup-node@v4
         with:
           node-version: 22
           cache: npm
 
       - name: Configure GitHub Pages
-        uses: actions/configure-pages@v6
+        uses: actions/configure-pages@v5
 
       - name: Install dependencies
         run: npm ci
@@ -46,7 +46,7 @@ jobs:
         run: npm run build -- --base=/
 
       - name: Upload GitHub Pages artifact
-        uses: actions/upload-pages-artifact@v5
+        uses: actions/upload-pages-artifact@v3
         with:
           path: dist
 
@@ -59,4 +59,4 @@ jobs:
     steps:
       - name: Deploy to GitHub Pages
         id: deployment
-        uses: actions/deploy-pages@v5
+        uses: actions/deploy-pages@v4