What is abc-checks?

### TL;DR

https://github.com/abcxyz/actions/pull/24/files#r2051336701

Creating an issue so we don't lose it in notifications.

### Expected behavior

_No response_

### Observed behavior

_No response_

### Environment Details

```markdown
N/A
```

### Additional information

_No response_

Look at the linked pull request comment to understand the context of 'abc-checks'. Start by examining the repository's existing actions and workflows to see where 'abc-checks' might be referenced or used. Determine if it's a tool, script, or process that needs documentation.

由索引模型根據 Issue 內容生成。