Changes to Test Webhook

the request property webhook/authentication/oneOf[#/components/schemas/ApiKeyAuthentication]/data became optional

the request property webhook/authentication/oneOf[#/components/schemas/BasicAuthAuthentication]/data became optional

the request property webhook/authentication/oneOf[#/components/schemas/BearerTokenAuthentication]/data became optional

removed BasicAuthAuthentication BearerTokenAuthentication ApiKeyAuthentication from the webhook/authentication request property anyOf list

added BasicAuthAuthentication BearerTokenAuthentication ApiKeyAuthentication to the webhook/authentication request property oneOf list

endpoint added