[@types/stylelint] Add missing context parameter to Plugin

[reececomo]

What's changed?

• Added missing context: { fix: boolean; newline: string; } argument to rule function. This allows rules created with createPlugin(...) to autofix linting mistakes.

See stylelint docs:

If your plugin rule supports autofixing, then ruleFunction should also accept a third argument: context.

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[ybiquitous]

Hi, stylelint@14 has provided its type definitions, so @types/stylelint seems no longer necessary. See below:

• https://github.com/stylelint/stylelint/releases/tag/14.0.0
• Fix inconsistent types stylelint/stylelint#5580

[reececomo]

Thanks for that, @ybiquitous! It slipped my mind complete 🙇