doc: update openapi (#453)
Co-authored-by: Sangamesh <sangamesh.kulkarni@juspay.in>
Co-authored-by: dracarys18 <karthikey.hegde@juspay.in>
Co-authored-by: bernard eugine <bernard.eugine@bernard.eugine-MacBookPro>
Co-authored-by: Abhishek Marrivagu <abhi.codes10@gmail.com>
