Fix GitHub Actions: Update to latest action versions

Changes:
- actions/checkout@v3 → v4
- Replaced withastro/action@v1 with manual setup
- Using actions/upload-pages-artifact@v3 (not deprecated v2)
- actions/deploy-pages@v1 → v4
- Using Bun for faster builds

Fixes deprecated actions error:
https://github.blog/changelog/2024-04-16-deprecation-notice-v3-of-the-artifact-actions/

Status: Ready for GitHub Pages deployment

Author: sandikodev

.github/workflows/deploy.yml

@@ -1,14 +1,10 @@
 name: Deploy to GitHub Pages
 
 on:
-  # Trigger the workflow every time you push to the `main` branch
-  # Using a different branch name? Replace `main` with your branch’s name
   push:
     branches: [main]
-  # Allows you to run this workflow manually from the Actions tab on GitHub.
   workflow_dispatch:
 
-# Allow this job to clone the repo and create a page deployment
 permissions:
   contents: read
   pages: write
@@ -18,14 +14,24 @@ jobs:
   build:
     runs-on: ubuntu-latest
     steps:
-      - name: Checkout your repository using git
-        uses: actions/checkout@v3
-      - name: Install, build, and upload your site
-        uses: withastro/action@v1
-        # with:
-        # path: . # The root location of your Astro project inside the repository. (optional)
-        # node-version: 18 # The specific version of Node that should be used to build your site. Defaults to 18. (optional)
-        # package-manager: pnpm@latest # The Node package manager that should be used to install dependencies and build your site. Automatically detected based on your lockfile. (optional)
+      - name: Checkout
+        uses: actions/checkout@v4
+      
+      - name: Setup Bun
+        uses: oven-sh/setup-bun@v1
+        with:
+          bun-version: latest
+      
+      - name: Install dependencies
+        run: bun install
+      
+      - name: Build with Astro
+        run: bun run build
+      
+      - name: Upload artifact
+        uses: actions/upload-pages-artifact@v3
+        with:
+          path: ./dist
 
   deploy:
     needs: build
@@ -36,4 +42,4 @@ jobs:
     steps:
       - name: Deploy to GitHub Pages
         id: deployment
-        uses: actions/deploy-pages@v1
+        uses: actions/deploy-pages@v4