fix: correct Step Functions CloudWatchLogsLogGroup format in all patterns

- Fix CloudWatchLogsLogGroup configuration to use proper JSON object format
- Change from string ARN to LogGroupArn property in object structure
- Resolves CloudFormation template validation error for DocumentProcessingStateMachine
- Applied to patterns 1, 2, and 3 templates

Fixes template validation error:
'expected type: JSONObject, found: String' for CloudWatchLogsLogGroup property

Author: Taniya Mathur

patterns/pattern-1/template.yaml

@@ -680,7 +680,8 @@ Resources:
         Level: ALL
         IncludeExecutionData: true
         Destinations:
-          - CloudWatchLogsLogGroup: !GetAtt StateMachineLogGroup.Arn
+          - CloudWatchLogsLogGroup:
+              LogGroupArn: !GetAtt StateMachineLogGroup.Arn
       Tracing:
         Enabled: !Ref EnableXRayTracing
       Policies:

patterns/pattern-2/template.yaml

@@ -2418,7 +2418,8 @@ Resources:
         Level: ALL
         IncludeExecutionData: true
         Destinations:
-          - CloudWatchLogsLogGroup: !GetAtt StateMachineLogGroup.Arn
+          - CloudWatchLogsLogGroup:
+              LogGroupArn: !GetAtt StateMachineLogGroup.Arn
       Tracing:
         Enabled: !Ref EnableXRayTracing
       Policies:

patterns/pattern-3/template.yaml

@@ -1499,7 +1499,8 @@ Resources:
         Level: ALL
         IncludeExecutionData: true
         Destinations:
-          - CloudWatchLogsLogGroup: !GetAtt StateMachineLogGroup.Arn
+          - CloudWatchLogsLogGroup:
+              LogGroupArn: !GetAtt StateMachineLogGroup.Arn
       Policies:
         - LambdaInvokePolicy:
             FunctionName: !Ref OCRFunction