ci: fix github workflows

Author: Shirajuki

.github/workflows/.ci.yml

@@ -11,21 +11,19 @@ jobs:
       contents: write
 
     steps:
-      - uses: actions/checkout@v3
-      - uses: actions/setup-node@v3
+      - uses: actions/checkout@v5
+      - uses: oven-sh/setup-bun@v2
         with:
-          node-version: 16
-          cache: 'yarn'
-      - run: yarn install --frozen-lockfile --ignore-engines
+          bun-version: latest
 
       - name: Build
         run: |
-          yarn build
+          bun build
           echo > ./dist/.nojekyll
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
       - name: Deploy to GitHub Pages
-        uses: peaceiris/actions-gh-pages@v3
+        uses: peaceiris/actions-gh-pages@v4
         with:
           github_token: ${{ secrets.GITHUB_TOKEN }}
           publish_dir: ./dist