fix(wasm): never reference handles of workers

[CPunisher]

Summary

Related: #9895

This pr does two things:

1. Remove wasi in the package.json, so the hacky code won't be rewritten.
2. Prevent the handles in the workers from being active. See the details in the code.

Checklist

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

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[codspeed-hq]

CodSpeed Performance Report

Merging #10478 will not alter performance

_{Comparing CPunisher:05-26-fix/unref-worker (d623e2f) with main (3fa4a88)}

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Summary

✅ 11 untouched benchmarks