fix(deps): update dependency webtorrent to v1.8.4

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
webtorrent (source)	1.8.3 -> 1.8.4

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Release Notes

webtorrent/webtorrent

### [`v1.8.4`](https://togithub.com/webtorrent/webtorrent/blob/HEAD/CHANGELOG.md#​184-httpsgithubcomwebtorrentwebtorrentcomparev183v184-2022-03-03) [Compare Source](https://togithub.com/webtorrent/webtorrent/compare/v1.8.3...v1.8.4) ##### Bug Fixes - **deps:** update dependency torrent-discovery to ^9.4.8 ([#​2272](https://togithub.com/webtorrent/webtorrent/issues/2272)) ([aa2fa59](https://togithub.com/webtorrent/webtorrent/commit/aa2fa59a4c7c166a52ecd9060191b6e695d3c85f))

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