`vue/custom-event-name-casing` does not report when using template literals

[ntnyq]

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: 8.19.0
• eslint-plugin-vue version: 9.2.0
• Node version: 16.15.2
• Operating System: MacOS

Repro the issue

online demo

What did you expect to happen?

Report an error.

What actually happened?

Event name break the rule and no error reported.