chore(deps): update dependency stylelint-order to v4

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
stylelint-order	devDependencies	major	3.1.1 -> 4.0.0

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Release Notes

hudochenkov/stylelint-order

v4.0.0

Compare Source

• Breaking change: Dropped Node.js 8 support. Node.js 10 or greater is now required.
• Breaking change: Always remove empty line before the first property if this property has any emptyLineBefore* option targeting it in properties-order. Even if option set to always empty line before the first property will be removed.
• Fixed false positives for emptyLineBeforeUnspecified.

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