fix mermaid version to 11.0.1

see emersonbottero/vitepress-plugin-mermaid#80

Author: sharpchen

package.json

@@ -20,7 +20,7 @@
     "@types/node": "^20.14.5",
     "axios": "^1.7.2",
     "jsonc-parser": "^3.2.1",
-    "mermaid": "^10.9.1",
+    "mermaid": "11.0.1",
     "shiki": "^1.7.0",
     "typescript": "^5.6.3",
     "vitepress": "latest",