Update stylelint to 13.13.1

[vsumner]

Description

Update stylelint to version 13.13.1

Changelog: https://github.com/stylelint/stylelint/blob/master/CHANGELOG.md#13131

New rules:

• Added: no-invalid-position-at-import-rule rule (#5202).
• Added: no-irregular-whitespace rule (#5209).
• Added: selector-disallowed-list rule (#5239).
• Added: selector-attribute-quotes autofix (#5248).
• Added: ignore: ["inside-function"] to declaration-property-unit-allowed-list (#5194).

Type of change

• Patch: Bug (non-breaking change which fixes an issue)
• @shopify/stylelint-plugin Minor: New feature (non-breaking change which adds functionality)
• Major: Breaking change (fix or feature that would cause existing functionality to not work as expected)

Checklist

• I have added a changelog entry, prefixed by the type of change noted above (Documentation fix and Test update does not need a changelog as we do not publish a new version for these changes)

[dahukish]

@vsumner can we close this?

[vsumner]

🤷 Up to you. It needs to happen at some point.

[BPScott]

Going to close this. Consumers can pick up the latest 13.x release because the peer dep is a range. I'll be opening up a PR to require stylelint 14 in the near future