chore(package): update stylelint to version 9.1.1

Closes #4411
2018-02-21 22:44:58 +00:00 · 2018-02-21 22:44:58 +00:00 · 700713ceb4
--- a/package.json
+++ b/package.json
@ -275,7 +275,7 @@
    "sinon": "^4.0.0",
    "snyk": "^1.69.7",
    "style-loader": "^0.20.1",
-    "stylelint": "^8.0.0",
+    "stylelint": "^9.1.1",
    "stylelint-config-standard": "^17.0.0",
    "stylelint-config-suitcss": "^13.0.0",
    "supertest": "^3.0.0",