Add fizz@testmkt-marketplace security test entry

security.json

@@ -6,6 +6,12 @@
         "added_at": "2026-02-11T03:16:31.424Z",
         "reason": "just-a-test",
         "text": "This is a test #5"
+      },
+      {
+        "plugin": "fizz@testmkt-marketplace",
+        "added_at": "2026-02-12T00:00:00.000Z",
+        "reason": "security",
+        "text": "this is a security test"
       }
     ]
   }