sameNameShorthand from vue/v-bind-style confuses hyphens with underscores

[adamsol]

Checklist

• I have tried restarting my IDE and the issue persists.
• I have read the FAQ and my problem is not listed.

Tell us about your environment

• ESLint version: 8.41.0
• eslint-plugin-vue version: 9.22.0
• Vue version: 3.4.20
• Node version: 14.19.3
• Operating System: Windows 10

Please show your full configuration:

module.exports = {
  extends: ['plugin:vue/vue3-recommended'],
  rules: {
    'vue/v-bind-style': [1, 'shorthand', { sameNameShorthand: 'always' }],
  },
  ignorePatterns: ['node_modules/'],
};

What did you do?

<template>
  <div :test-value="test_value" />
</template>

npm run lint

What did you expect to happen?
No warning.

What actually happened?

/home/projects/vitejs-vite-uc4css/src/App.vue
  2:8  warning  Expected same-name shorthand  vue/v-bind-style

✖ 1 problem (0 errors, 1 warning)
  0 errors and 1 warning potentially fixable with the `--fix` option.

Repository to reproduce this issue

https://stackblitz.com/edit/vitejs-vite-uc4css?file=src%2FApp.vue

[FloEdelmann]

Thanks for the bug report. PRs welcome!