chore: changes due to adding boolean_to_string converter

[tiwarishubham635]

Fixes

Changes due to the twilio-oai-generator change of PR 554

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• [ ] I have made a material change to the repo (functionality, testing, spelling, grammar)
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• [ ] I have added tests that prove my fix is effective or that my feature works
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• [ ] I have added inline documentation to the code I modified

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[tiwarishubham635]

All tests are passing