chore(deps): update dependency @rslib/core to v0.18.6

Author: renovate[bot]

package.json

@@ -57,7 +57,7 @@
     "@eslint/eslintrc": "3.3.3",
     "@eslint/js": "9.39.2",
     "@rsbuild/plugin-umd": "1.0.5",
-    "@rslib/core": "0.18.5",
+    "@rslib/core": "0.18.6",
     "@types/node": "24.10.4",
     "@typescript-eslint/eslint-plugin": "8.50.0",
     "@typescript-eslint/parser": "8.50.0",