Update check method to fix an incorrect check code, change from Appears to Detected

Author: gwillcox-r7

modules/exploits/windows/http/hpe_sim_76_amf_deserialization.rb

@@ -93,7 +93,7 @@ def check
     })
     return CheckCode::Safe('Failed to identify an active amfsecure endpoint on the target.') unless res&.code == 200
 
-    CheckCode::Appears('Found an active amfsecure endpoint on the target!')
+    CheckCode::Detected('Found an active amfsecure endpoint on the target!')
   end
 
   def exploit