fix(deps): update dependency vitepress-plugin-llms to v1.9.0

Author: renovate[bot]

package.json

@@ -18,7 +18,7 @@
     "js-yaml": "4.1.0",
     "monaco-editor": "0.54.0",
     "monaco-yaml": "5.4.0",
-    "vitepress-plugin-llms": "1.8.1",
+    "vitepress-plugin-llms": "1.9.0",
     "vue": "3.5.22"
   },
   "optionalDependencies": {