Update dependency stylelint-plugin-stylus to ^0.12.0

Author: renovate-bot

package.json

@@ -101,7 +101,7 @@
         "semver": "^7.3.2",
         "stylelint": "^13.12.0",
         "stylelint-config-standard": "^22.0.0",
-        "stylelint-plugin-stylus": "^0.11.0",
+        "stylelint-plugin-stylus": "^0.12.0",
         "ts-node": "^10.0.0",
         "typescript": "^4.0.0",
         "vue-eslint-editor": "^1.1.0",