Update dependency bufferstreams to v4

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
bufferstreams	3.0.0 -> 4.0.0

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Release Notes

nfroidure/BufferStreams (bufferstreams)

### [`v4.0.0`](https://togithub.com/nfroidure/BufferStreams/blob/HEAD/CHANGELOG.md#400-2024-07-17) [Compare Source](https://togithub.com/nfroidure/BufferStreams/compare/v3.0.0...v4.0.0) ##### Code Refactoring - **api:** typescript rewrite ([9bdffa4](https://togithub.com/nfroidure/BufferStreams/commit/9bdffa413890add00130eb0be6ea18a735614434)), closes [#​5](https://togithub.com/nfroidure/BufferStreams/issues/5) ##### BREAKING CHANGES - **api:** Require Node20+

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