chore(deps): update dependency stylelint to v15 (#263)

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

Author: renovate[bot]

package.json

@@ -82,7 +82,7 @@
     "raw-loader": "^4.0.1",
     "rimraf": "^3.0.2",
     "semver": "^7.3.2",
-    "stylelint": "^14.9.1",
+    "stylelint": "^15.0.0",
     "stylelint-config-recommended-vue": "^1.1.0",
     "stylelint-config-standard": "^29.0.0",
     "stylelint-stylus": "^0.17.0",