Update dependency stylelint-plugin-stylus to ^0.15.0

Author: renovate[bot]

package.json

@@ -109,7 +109,7 @@
         "stylelint": "^14.0.0",
         "stylelint-config-recommended-vue": "^1.0.0",
         "stylelint-config-standard": "^26.0.0",
-        "stylelint-plugin-stylus": "^0.14.0",
+        "stylelint-plugin-stylus": "^0.15.0",
         "ts-node": "^10.0.0",
         "typescript": "^4.0.0",
         "vue-eslint-editor": "^1.1.0",