chore(deps): update dependency html-validate to v8.19.0

[renovate]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
html-validate (source)	8.18.2 -> 8.19.0

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Release Notes

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

v8.19.0

Compare Source

Features

• rules: new option allowCheckboxDefault for form-dup-name (293b951), closes #​251

Bug Fixes

• rules: multiple-labeled-controls handles hidden input (4d794b6), closes #​251
• rules: wcag/h30 only applies to <a href> (cd93dfe), closes #​252
• rules: handle unicode letters in valid-id (c83687a), closes #​253

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