feat: 为 release workflow 添加手动触发支持 (#15)

添加 workflow_dispatch 触发器，支持在 GitHub Actions 页面手动触发发版。

Co-authored-by: Claude Opus 4.6 <noreply@anthropic.com>

 name: Release
 name: Release
 
 
 on:
 on:
+  workflow_dispatch:
   push:
   push:
     branches: [main]
     branches: [main]
     paths-ignore:
     paths-ignore: