chore(deps): update dependency @1stg/stylelint-config to v6 (#661)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

package.json

@@ -81,7 +81,7 @@
   },
   "devDependencies": {
     "@1stg/browserslist-config": "^2.0.0",
-    "@1stg/stylelint-config": "^5.0.0",
+    "@1stg/stylelint-config": "^6.0.0",
     "@babel/core": "^7.16.0",
     "@babel/eslint-parser": "^7.17.0",
     "@babel/plugin-proposal-function-bind": "^7.16.7",