feat(runtime-utils)!: update to h3 v2

[danielroe]

🔗 Linked issue

❓ Type of change

• [x] 🐞 Bug fix (a non-breaking change that fixes an issue)
• [x] ⚠️ Breaking change (fix or feature that would cause existing functionality to change)

📚 Description

this updates us to h3 v2, which is needed for nitro v3. I'm going to see if it's possible to make this a non-breaking change (ie support both h3 v2 and v1) but for now this PR can be used in https://github.com/nuxt/nuxt/pull/33005.

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commit: 6c8f62c