Changes to Get the batches merged by skip intermediate results

added the required property groups/items/stats/items/batches_saved_during_bisection to the response with the 200 status

added the required property groups/items/stats/items/batches_saved_during_speculative_checks to the response with the 200 status

added the required property groups/items/stats/items/merged_batches to the response with the 200 status

the endpoint scheme security MergifyTokenBearerAuth was added to the API

the endpoint scheme security AdminApplicationKey was added to the API

the endpoint scheme security ApplicationAuth was removed from the API