fix(deps): update dependency fastify to v5.7.4

[renovate]

This PR contains the following updates:

Package	Change	Age	Confidence
fastify (source)	5.7.3 → 5.7.4

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Release Notes

fastify/fastify (fastify)

v5.7.4

Compare Source

Full Changelog: fastify/fastify@v5.7.3...v5.7.4

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📊 Benchmark results

Comparing with e9b8499

• Dependency count: 1,081 (no change)
• Package size: 348 MB ⬆️ 0.00% increase vs. e9b8499
• Number of ts-expect-error directives: 362 (no change)

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