fix(registry): fix hustcc-mcp-mermaid.json

Author: GabrielDrapor

mcp-registry/servers/hustcc-mcp-mermaid.json

@@ -8,7 +8,7 @@
   },
   "homepage": "https://github.com/hustcc/mcp-mermaid",
   "author": {
-    "name": "hustcc",
+    "name": "hustcc"
   },
   "license": "MIT",
   "categories": [