fix: define captureRejections properly

[guybedford]

Currently captureRejections is undefined because its defined before its getter on EventEmitter is defined. This hard codes the false value which matches the Node.js behaviour on the ESM wrapper.

Hopefully should reduce some Sentry noise.

[ask-bonk]

UnknownError: ProviderInitError

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[ask-bonk]

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[codspeed-hq]

Merging this PR will not alter performance

✅ 72 untouched benchmarks
⏩ 129 skipped benchmarks¹

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_{Comparing capture-rejections-fix (b7c74c1) with main (206362e)}

Footnotes

1. 129 benchmarks were skipped, so the baseline results were used instead. If they were deleted from the codebase, click here and archive them to remove them from the performance reports. ↩