Added email_locale field for Create MFA enrollment ticket

[tanya732]

Changes

Updated below endpoint -

Path	HTTP Method	Method Name
/guardian/enrollments/ticket	POST	createEnrollmentTicket

Added a new field email_locale

References

https://auth0.com/docs/api/management/v2/guardian/post-ticket

Manual Testing Code

Securely store your Client ID, Client Secret, and Management API token.
Install the SDK: npm install auth0

var auth0 = new ManagementClient({
domain: '{YOUR_TENANT_AND REGION}.auth0.com',
clientId: '{YOUR_CLIENT_ID}',
clientSecret: '{YOUR_CLIENT_SECRET}',
});

//Create MFA Enrollment Ticket
const createEnrollment = await auth0.guardian.createEnrollmentTicket({user_id: "<USER_ID>", send_mail: true ,email_locale: "<LOCALE>"})

Testing

Please describe how this can be tested by reviewers. Be specific about anything not tested and reasons why. If this library has unit and/or integration testing, tests should be added for new functionality and existing tests should complete without errors.

• This change adds unit test coverage
• This change adds integration test coverage

Checklist

• I have read the Auth0 general contribution guidelines
• I have read the Auth0 Code of Conduct
• All existing and new tests complete without errors