Upgrade GitHub Actions to Node.js 24 compatible versions

- actions/checkout v4 → v6
- actions/configure-pages v5 → v6
- actions/cache v4 → v5
- actions/upload-pages-artifact v3 → v4
- actions/deploy-pages v4 → v5

Fixes Node.js 20 deprecation warning. Node.js 20 will be removed
from GitHub Actions runners on September 16, 2026.

Author: atulkhare4096

.github/workflows/pages.yml

@@ -19,16 +19,16 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - name: Install Rust
         uses: dtolnay/rust-toolchain@stable
 
       - name: Configure GitHub Pages
-        uses: actions/configure-pages@v5
+        uses: actions/configure-pages@v6
 
       - name: Cache cargo dependencies
-        uses: actions/cache@v4
+        uses: actions/cache@v5
         with:
           path: |
             ~/.cargo/bin
@@ -49,7 +49,7 @@ jobs:
         run: cargo xtask deploy
 
       - name: Upload artifact
-        uses: actions/upload-pages-artifact@v3
+        uses: actions/upload-pages-artifact@v4
         with:
           path: ./docs
 
@@ -62,4 +62,4 @@ jobs:
     steps:
       - name: Deploy to GitHub Pages
         id: deployment
-        uses: actions/deploy-pages@v4
+        uses: actions/deploy-pages@v5