ci(workflow): 为预发布工作流添加写入权限

为 GITHUB_TOKEN 授予 `contents: write` 权限，以允许工作流创建 GitHub Release。

.github/workflows/create-prerelease.yml

@@ -10,6 +10,8 @@ on:
 jobs:
   create-prerelease:
     runs-on: ubuntu-latest
+    permissions:
+      contents: write
     steps:
       - name: Checkout code
         uses: actions/checkout@v4