fix(deps): update dependency webtorrent to v1.8.20

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
webtorrent (source)	1.8.19 -> 1.8.20

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Release Notes

webtorrent/webtorrent

### [`v1.8.20`](https://togithub.com/webtorrent/webtorrent/blob/HEAD/CHANGELOG.md#​1820-httpsgithubcomwebtorrentwebtorrentcomparev1819v1820-2022-05-14) [Compare Source](https://togithub.com/webtorrent/webtorrent/compare/v1.8.19...v1.8.20) ##### Bug Fixes - **deps:** update dependency bittorrent-dht to ^10.0.3 ([#​2320](https://togithub.com/webtorrent/webtorrent/issues/2320)) ([2ebbd8e](https://togithub.com/webtorrent/webtorrent/commit/2ebbd8eacfd0d7778357ca0f44ead331ba439a26))

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