fix(project): fix JSON schema for stable hook options

[arendjr]

Summary

Derived schema wasn't correct for enum, so I made a manual implementation.

Fixes #2396

Test Plan

Manually tested.

[netlify]

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Lighthouse	1 paths audited Performance: 100 (🟢 up 10 from production) Accessibility: 97 (no change from production) Best Practices: 100 (no change from production) SEO: 93 (no change from production) PWA: - View the detailed breakdown and full score reports

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[codspeed-hq]

CodSpeed Performance Report

Merging #2401 will degrade performances by 17.28%

_{Comparing arendjr:update-exhaustive-hooks-schema (9429b63) with main (39139a5)}

Summary

⚡ 1 improvements
❌ 1 regressions
✅ 91 untouched benchmarks

⚠️ Please fix the performance issues or acknowledge them on CodSpeed.

Benchmarks breakdown

	Benchmark	main	arendjr:update-exhaustive-hooks-schema	Change
⚡	db.json[cached]	71.3 ms	67.1 ms	+6.19%
❌	eucjp.json[cached]	4.1 ms	4.9 ms	-17.28%