fix(deps): update dependency broadcast-channel to v4.20.1

This MR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
broadcast-channel	4.18.1 -> 4.20.1

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Release Notes

pubkey/broadcast-channel

v4.20.1

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• FIX exports order

v4.20.0

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• FIX typings did not work with "moduleResolution": "NodeNext"

v4.19.1

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v4.19.0

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• Updated dependencies

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