fix(deps): update dependency mermaid to ~10.9.0 [security]

Author: renovate[bot]

www/package.json

@@ -26,7 +26,7 @@
     "@uiw/react-md-editor": "4.0.5",
     "dom-to-image": "^2.6.0",
     "katex": "~0.16.0",
-    "mermaid": "~10.6.1",
+    "mermaid": "~10.9.0",
     "react": "~18.2.0",
     "react-dom": "~18.2.0",
     "rehype-sanitize": "~6.0.0"