Add default value for EnableSpendLimits in New-CsTeamsCallingPolicy

Author: klashkevich-microsoft

teams/teams-ps/teams/New-CsTeamsCallingPolicy.md

@@ -444,7 +444,7 @@ Aliases:
 Applicable: Microsoft Teams
 Required: False
 Position: Named
-Default value: None
+Default value: False
 Accept pipeline input: False
 Accept wildcard characters: False
 ```