fix(deps): update dependency mermaid to v11

Author: renovate[bot]

website/package.json

@@ -27,7 +27,7 @@
     "@mdx-js/react": "3.1.0",
     "clsx": "2.1.1",
     "mdx-mermaid": "2.0.3",
-    "mermaid": "10.9.3",
+    "mermaid": "11.4.1",
     "prism-react-renderer": "^2.3.1",
     "react": "19.0.0",
     "react-dom": "19.0.0"