Changes to Get token holders

removed the enum value b3 from the path request parameter chain

removed the enum value blast from the path request parameter chain

the response property holders/items/owner_display_name became nullable for the status 200

the response property holders/items/percentage_held became nullable for the status 200

the response property holders/items/usd_value became nullable for the status 200

the response property next became nullable for the status 200

the response property total_count became nullable for the status 200

the distribution response's property type changed from object to no type for status 200

removed the required property distribution/health_label from the response with the 200 status

removed the required property distribution/health_score from the response with the 200 status

removed the required property distribution/top_one_percent_concentration from the response with the 200 status

removed the required property distribution/total_holders from the response with the 200 status

added the new enum value stablechain to the path request parameter chain

added the media type */* for the response with the status 400

added the optional property code to the response with the 401 status

added the optional property code to the response with the 403 status

added the optional property code to the response with the 404 status

added the optional property code to the response with the 409 status

added TokenHolderDistributionResponse subschema #2 to the distribution response property anyOf list for the response status 200