FIX: delete_organizations_members does not send members in body

[T-800]

Problem

• The API delete_organizations_members does not work as described in https://auth0.com/docs/api/management/v2#!/Organizations/delete_members. It does not send members in body.

RestClient.delete "https://tinypulse-dev.us.auth0.com/api/v2/organizations/org_RuiZ53NZmzht7toO/members?members[]=auth0%7C90262", "Accept"=>"*/*", "Auth0-Client"=>"...", "Authorization"=>"Bearer ...", "Content-Type"=>"application/json", "User-Agent"=>"rest-client/2.1.0 (darwin21.4.0 aarch64) ruby/2.6.10p210"
# => 400 BadRequest | application/json 149 bytes, 0.40s
Auth0::BadRequest ({"statusCode":400,"error":"Bad Request","message":"Payload validation error: 'Expected type object but found type null'.","errorCode":"invalid_body"})

Changes

• Use delete_with_body instead of delete for delete_organizations_members to send body

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
• This change has been tested on the latest version of Ruby

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
• Rubocop passes on all added/modified files
• All active GitHub checks have passed

[stevehobbsdev]

Thanks for the contribution!