Update documentation for new ListSecrets and DescribeSecret parameters

Author: aws-sdk-dotnet-automation

docgenerator/AWSSDKDocSamples/SecretsManager/SecretsManager.GeneratedSamples.cs

@@ -98,6 +98,7 @@ public void SecretsManagerDescribeSecret()
             DateTime lastChangedDate = response.LastChangedDate;
             DateTime lastRotatedDate = response.LastRotatedDate;
             string name = response.Name;
+            DateTime nextRotationDate = response.NextRotationDate;
             bool rotationEnabled = response.RotationEnabled;
             string rotationLambdaARN = response.RotationLambdaARN;
             RotationRulesType rotationRules = response.RotationRules;