Update dependency ws to v7.2.1

[renovate[bot]]

This PR contains the following updates:

Package	Type	Update	Change
ws	dependencies	patch	7.2.0 -> 7.2.1

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Release Notes

websockets/ws

### [`v7.2.1`](https://togithub.com/websockets/ws/releases/7.2.1) [Compare Source](https://togithub.com/websockets/ws/compare/7.2.0...7.2.1) ### Bug fixes - Added `bufferutil` and `utf-8-validate` as peer dependencies ([#​1626](https://togithub.com/websockets/ws/issues/1626)).

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