chore(deps): update dependency html-validate to v8.20.1

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
html-validate (source)	8.19.1 -> 8.20.1

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Release Notes

html-validate/html-validate (html-validate)

### [`v8.20.1`](https://gitlab.com/html-validate/html-validate/blob/HEAD/CHANGELOG.md#8201-2024-06-11) [Compare Source](https://gitlab.com/html-validate/html-validate/compare/v8.20.0...v8.20.1) ##### Bug Fixes - **rules:** fix `attribute-allowed-values` error location for empty values ([2c04eeb](https://gitlab.com/html-validate/html-validate/commit/2c04eeb3d855c6365dea7fa7abfb44e4fb19bf42)) ### [`v8.20.0`](https://gitlab.com/html-validate/html-validate/blob/HEAD/CHANGELOG.md#8200-2024-06-02) [Compare Source](https://gitlab.com/html-validate/html-validate/compare/v8.19.1...v8.20.0) ##### Features - **api:** new `setConfig` method on `StaticConfigLoader` to change config ([1bf7559](https://gitlab.com/html-validate/html-validate/commit/1bf75594ee6c984fd38d94bb844887629528dbef)) - **api:** new getter/setter for configuration loader ([6283091](https://gitlab.com/html-validate/html-validate/commit/628309112f0dd5a28ab44c5dacbb32a47535128b))

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