fix(deps): update mermaid to v12.2.0

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01BBLKuRzQc8HDMkbp6dzMG8

package.json

@@ -106,7 +106,7 @@
     "hammerjs": "^2.0.8",
     "js-base64": "3.7.8",
     "lodash-es": "^4.18.1",
-    "mermaid": "^12.1.0",
+    "mermaid": "^12.2.0",
     "mode-watcher": "^1.1.0",
     "monaco-editor": "0.55.1",
     "pako": "2.1.0",