chore(deps): bump mermaid to 11.15.0 for GHSA-ghcm-xqfw-q4vr

Author: waleedlatif1

apps/sim/package.json

@@ -149,7 +149,7 @@
     "jwt-decode": "^4.0.0",
     "lucide-react": "^0.479.0",
     "mammoth": "^1.9.0",
-    "mermaid": "11.14.0",
+    "mermaid": "11.15.0",
     "micromatch": "4.0.8",
     "monaco-editor": "0.55.1",
     "mongodb": "6.19.0",