Changes to Get database statistics

removed the media type application/json for the response with the status 401

removed the media type application/json for the response with the status 500

the memory_usage/usedPercent response's property format changed from float to double for status 200

removed the optional property memory_usage/time from the response with the 200 status

api operation id stats was added

the endpoint scheme security bearerAuth was added to the API

removed the non-success response with the status 404

the response property memory_usage became required for the status 200

the response property memory_usage/available became required for the status 200

the response property memory_usage/free became required for the status 200

the response property memory_usage/total became required for the status 200

the response property memory_usage/used became required for the status 200

the response property memory_usage/usedPercent became required for the status 200

the response property row_count became required for the status 200

the response property storage_usage_kb became required for the status 200

the response property storage_usage_mb became required for the status 200

the response property table_sizes became required for the status 200

the response property table_sizes/items/row_count became required for the status 200

the response property table_sizes/items/size_kb became required for the status 200

the response property table_sizes/items/size_mb became required for the status 200

the response property table_sizes/items/table_name became required for the status 200

added the optional property table_sizes/items/row_count to the response with the 200 status

removed the optional property table_sizes/items/row_count from the response with the 200 status