Update New-TransportRule.md

Added clarification regarding -Mode parameter.

Work Item ID in the ADO: 3663328

Author: m-nestorovic

exchange/exchange-ps/exchange/New-TransportRule.md

@@ -3683,6 +3683,11 @@ The Mode parameter specifies how the rule operates. Valid values are:
 - AuditAndNotify: The rule operates the same as in Audit mode, but notifications are also enabled.
 - Enforce: All actions specified in the rule are taken. This is the default value.
 
+> [!NOTE]
+>
+> In the Audit mode, the action GenerateIncidentReport is going to be executed.
+> In the AuditAndNotify mode, actions GenerateIncidentReport and GenerateNotification are going to be executed.
+
 ```yaml
 Type: RuleMode
 Parameter Sets: (All)