Changes to Create a multipart upload session

deleted the header request parameter x-api-key

the endpoint scheme security x-api-key was added to the API

api operation id create removed and replaced with multipartUpload_create

added subschema #1 subschema #2 subschema #3 subschema #4 subschema #5 to the user_metadata/additionalProperties request property oneOf list

the filename request property's minLength was increased from 0 to 1

the filename request property's maxLength was set to 255

the total_size request property's max was set to 10737418240.00

the total_size request property's min was set to 1.00

removed the optional property docs_url from the response with the 400 status

removed the optional property docs_url from the response with the 403 status

removed the optional property docs_url from the response with the 500 status

added the new audio enum value to the request property type

added the new image enum value to the request property type