Changes to List Knowledge Sources

added the optional property knowledge/items/source/oneOf[#/components/schemas/WebSourceDetails]/errors to the response with the 200 status

the code response property's max was increased from 99999.00 to 999999.00 for the response status 400

the code response property's max was increased from 99999.00 to 999999.00 for the response status 404

the code response property's max was increased from 99999.00 to 999999.00 for the response status 429

the code response property's max was increased from 99999.00 to 999999.00 for the response status 500

the code response property's max was increased from 99999.00 to 999999.00 for the response status 503

for the query request parameter pageToken, the maxLength was increased from 500 to 4096

the pageSize response's property default value 50 was removed for the status 200

removed the text/mdx enum value from the knowledge/items/source/oneOf[#/components/schemas/FileSourceDetails]/mimeType response property for the response status 200