update CredScanSuppressions for cred error

Author: junyezhu

tools/CredScanSuppressions.json

@@ -181,6 +181,10 @@
         {
             "file": "\\src\\ServiceManagement\\Services\\Commands.Test.Utilities\\Resources\\ValidProfileChina.PublishSettings", 
             "_justification": "Legitimate test publishsettings file"
+        },
+		{
+            "file": "\\src\\ResourceManager\\Network\\Commands.Network.Test\\SessionRecords\\Commands.Network.Test.ScenarioTests.NetworkWatcherAPITests\\TestTroubleshoot.json", 
+            "_justification": "Legitimate test publishsettings file"
         }
     ]
 }