Changes to Retrieve submissions matching the given identifiers

the endpoint scheme security bearerAuth was added to the API

response property items/grantVersion list-of-types was widened by adding types integer to media type application/json of response 200

query request parameter grantVersion list-of-types was widened by adding types string

for the query request parameter grantVersion, the type was generalized from integer to no type, and format from int32 to no format

added the optional property items/previousReferenceNumber to the response with the 200 status

the items/grantVersion response's property type changed from integer to string, and format from int32 to no format for status 200