Update dependency merge-stream to v2

[renovate[bot]]

This PR contains the following updates:

Package	Type	Update	Change	References
merge-stream	devDependencies	major	^1.0.1 -> ^2.0.0	source

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Release Notes

grncdr/merge-stream

### [`v2.0.0`](https://togithub.com/grncdr/merge-stream/compare/v1.0.1...v2.0.0) [Compare Source](https://togithub.com/grncdr/merge-stream/compare/v1.0.1...v2.0.0)

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