Chore: say hello to bun

.github/workflows/main.yml

@@ -15,19 +15,11 @@ jobs:
         uses: actions/checkout@v4
         with:
           persist-credentials: false
-      - uses: pnpm/action-setup@v2
-        name: Install pnpm
-        id: pnpm-install
+      - uses: oven-sh/setup-bun@v1
         with:
-          version: latest
-          run_install: false
-      - name: Use Node.js
-        uses: actions/setup-node@v3
-        with:
-          node-version-file: '.node-version'
-          cache: 'pnpm'
-      - run: pnpm i
-      - run: pnpm run build
+          bun-version: latest
+      - run: bun install
+      - run: bun run build
       - name: Deploy
         uses: peaceiris/actions-gh-pages@v3
         with: