Changes to Batch Get Chunks

header request parameter authorization list-of-types was widened by adding types null

for the header request parameter authorization, the type was generalized from string to no type

removed subschema #1 from the output_format request property anyOf list

added OutputFormat to the output_format request property anyOf list

added the new optional request property end_user_id

added the new optional request property folder_name

added the new optional request property output_format

added the new optional request property sources

added the new optional request property use_colpali