chore: enforce enums blueprint sort order (#33307)

### Issue # (if applicable)

N/A

### Reason for this change

The `enums.ts` file keep changing, we should sort it before writing to file.

### Description of changes

sort the content

### Describe any new or updated permissions being added

N/A

### Description of how you validated changes

N/A

### Checklist
- [ ] My code adheres to the [CONTRIBUTING GUIDE](https://github.com/aws/aws-cdk/blob/main/CONTRIBUTING.md) and [DESIGN GUIDELINES](https://github.com/aws/aws-cdk/blob/main/docs/DESIGN_GUIDELINES.md)

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*By submitting this pull request, I confirm that my contribution is made under the terms of the Apache-2.0 license*

Author: GavinZZ