perf: improve FlagDependencyExportsPlugin for large JSON by depth

[hai-x]

Summary

Aligned with webpack/webpack#19058.

I will update doc later.

Checklist

• Tests updated (or not required).
• Documentation updated (or not required).

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[codspeed-hq]

CodSpeed Performance Report

Merging #8802 will not alter performance

_{Comparing hai-x:hai-x/feat-support-dyn-exp-for-url (610aaf0) with main (a4aa3a9)}

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Summary

✅ 3 untouched benchmarks

[ahabhgk]

Generally looks good to me

[ahabhgk]

Thanks!

[hai-x]

Update to 1.2.0-alpha.0 and found that

when module.parser.json.exportsDepth: Number.MAX_SAFE_INTEGER

$ rspack build --config dev.config.js
Rspack compiled successfully in 1.94 s
✨  Done in 2.94s.

when module.parser.json.exportsDepth: 1

$ rspack build --config dev.config.js
Rspack compiled successfully in 505 ms
✨  Done in 1.34s.