feat: Extend Smithy Framework to Customers Update

[Raj-G07]

Type of Change

• [ ] Bugfix
• [x] New feature
• [ ] Enhancement
• [ ] Refactoring
• [ ] Dependency updates
• [ ] Documentation
• [ ] CI/CD

Description

Additional Changes

• [ ] This PR modifies the API contract
• [ ] This PR modifies the database schema
• [ ] This PR modifies application configuration/environment variables

Motivation and Context

How did you test it?

Checklist

• [ ] I formatted the code cargo +nightly fmt --all
• [ ] I addressed lints thrown by cargo clippy
• [ ] I reviewed the submitted code
• [ ] I added unit tests for my changes where possible
• Fixes #9481

[semanticdiff-com[bot]]

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Changed Files

File	Status
crates/smithy-core/src/types.rs	0% smaller

[Debarshi-Gupta]

You are not supposed to create new CustomerUpdateRequest and CustomerUpdateResponse types. These types are already defined in api_models::customers (CustomerUpdateRequest and CustomerResponse), you just need to extend the smithy based annotations to these types.