fix(deps): update dependency webtorrent to v1.5.5

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
webtorrent (source)	1.5.4 -> 1.5.5

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Release Notes

webtorrent/webtorrent

### [`v1.5.5`](https://togithub.com/webtorrent/webtorrent/blob/master/CHANGELOG.md#​155-httpsgithubcomwebtorrentwebtorrentcomparev154v155-2021-09-02) [Compare Source](https://togithub.com/webtorrent/webtorrent/compare/v1.5.4...v1.5.5) ##### Bug Fixes - DHT cleanup after torrent removal ([#​2185](https://togithub.com/webtorrent/webtorrent/issues/2185)) ([320541f](https://togithub.com/webtorrent/webtorrent/commit/320541f271fdbd7303f544b6e99ab6b0a450fd8c)), closes [#​1289](https://togithub.com/webtorrent/webtorrent/issues/1289)

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