stylelint 17.12.0

on Node.js NPM

It fixes 3 bugs, including a false negative one.

• Fixed: block-no-empty reported range when using comments (#9294) (@romainmenke).
• Fixed: declaration-property-value-no-unknown false negatives for custom properties defined in reference files (#9292) (@romainmenke).
• Fixed: value-keyword-layout-mappings false positives for caption-side (#9293) (@romainmenke).