Convert deploy workflow to use bun instead of npm

- Replace actions/setup-node with oven-sh/setup-bun@v2
- Remove @antfu/ni dependency and use bun commands directly
- Update install command from nci to bun install
- Update Playwright install to use bun x playwright
- Update build command from nr to bun run

Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>

Author: s-sajid-ali

.github/workflows/deploy.yaml

@@ -26,21 +26,18 @@ jobs:
     steps:
       - uses: actions/checkout@v6
 
-      - uses: actions/setup-node@v6
+      - uses: oven-sh/setup-bun@v2
         with:
-          node-version: 'lts/*'
-
-      - name: Setup @antfu/ni
-        run: npm i -g @antfu/ni
+          bun-version: latest
 
       - name: Install dependencies
-        run: nci
+        run: bun install
 
       - name: Install Playwright Browsers
-        run: npm exec playwright install --with-deps
+        run: bun x playwright install --with-deps
 
       - name: Build
-        run: nr build --base /${{github.event.repository.name}}/
+        run: bun run build --base /${{github.event.repository.name}}/
 
       - name: Setup Pages
         uses: actions/configure-pages@v5