use oven-sh/setup-bun action in CI

.github/workflows/ipfs-release.yml

@@ -11,15 +11,10 @@ jobs:
       - name: Checkout code
         uses: actions/checkout@v4
 
-      - name: Set up Node.js
-        uses: actions/setup-node@v4
+      - name: Setup Bun
+        uses: oven-sh/setup-bun@v2
         with:
-          node-version: "22"
-
-      - name: Install bun
-        run: |
-          curl -fsSL https://bun.sh/install | bash
-          echo "$HOME/.bun/bin" >> "$GITHUB_PATH"
+          bun-version: latest
 
       - name: Install dependencies
         run: bun install --frozen-lockfile