Issue #, if available:
aws/sagemaker-python-sdk#2545
To address this issue, update_endpoint flag is added in PR: aws/sagemaker-python-sdk#5085
Description of changes:

• Added the example code block to understand the usage of update_endpoint flag added in model_builder.

Testing done:
Tested the code block on studio notebook in personal aws account, after installing pysdk tar with the change mentioned above in Issue

Merge Checklist

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• I have verified that my PR does not contain any new notebook/s which demonstrate a SageMaker functionality already showcased by another existing notebook in the repository
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