Update dependency htmlparser2 to v4

[renovate[bot]]

This PR contains the following updates:

Package	Type	Update	Change
htmlparser2	dependencies	major	^3.9.2 -> ^4.0.0

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Release Notes

fb55/htmlparser2

### [`v4.1.0`](https://togithub.com/fb55/htmlparser2/releases/v4.1.0) [Compare Source](https://togithub.com/fb55/htmlparser2/compare/v4.0.0...v4.1.0) - Don't fail when parsing `<__proto__>` (fixes [#​387](https://togithub.com/fb55/htmlparser2/issues/387)) - Add `types` field to package.json - Update dependencies ### [`v4.0.0`](https://togithub.com/fb55/htmlparser2/releases/v4.0.0) [Compare Source](https://togithub.com/fb55/htmlparser2/compare/v3.10.1...v4.0.0) - Port to TypeScript, Jest - Remove the `Stream` and `ProxyHandler` exports - Order some conditionals in Tokenizer by their likelihood to be hit - Fix implicit closing of certain tags — [@​voithos](https://togithub.com/voithos) - Fix: options.Tokenizer modified outer scope — [@​thorn0](https://togithub.com/thorn0)

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