fix(deps): update dependency broadcast-channel to v4.18.1

This MR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
broadcast-channel	4.14.0 -> 4.18.1

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Release Notes

pubkey/broadcast-channel

v4.18.1

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• Updated dependencies

v4.18.0

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• FIX fix(indexedDB): Can't start a transaction on a closed database #​1042 nabigraphics

v4.17.0

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• REMOVE the isNode utility function so that we do not access the process variable in browsers.

v4.16.0

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• Rerelase because npm got stuck

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