docs(linter): Fix doc code block in eslint/func-style rule

[leaysgur]

https://oxc.rs/docs/guide/usage/linter/rules/eslint/func-style.html#examples

This PR fixes

and

[graphite-app]

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[Copilot]

Pull Request Overview

This PR fixes the documentation formatting in the ESLint func-style rule by adding missing code block delimiters. The change ensures that code examples in the rule's documentation are properly formatted as JavaScript code blocks.

• Adds missing opening and closing code block markers for JavaScript examples

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[codspeed-hq]

CodSpeed Instrumentation Performance Report

Merging #13171 will not alter performance

_{Comparing fix-func_style-doc (7fcc51e) with main (63d12d3)¹}

Summary

✅ 34 untouched benchmarks

Footnotes

1. No successful run was found on main (7fcc51e) during the generation of this report, so 63d12d3 was used instead as the comparison base. There might be some changes unrelated to this pull request in this report. ↩

[camc314]

Merge activity

• Aug 18, 9:12 AM UTC: The merge label '0-merge' was detected. This PR will be added to the Graphite merge queue once it meets the requirements.
• Aug 18, 12:15 PM UTC: camc314 added this pull request to the Graphite merge queue.
• Aug 18, 12:20 PM UTC: Merged by the Graphite merge queue.