Changes to ListPackageVersions

added the new LANGUAGE_GOSU enum value to the list/objects/items/spec/language response property for the response status 200

added the optional property list/objects/items/spec/container_metadata/context_diff to the response with the 200 status

added the optional property list/objects/items/spec/resolved_dependencies/dependencies/items/file_location_remote_paths to the response with the 200 status

added the optional property list/objects/items/spec/resolved_dependencies/dependencies/items/import_path to the response with the 200 status

added the optional property list/objects/items/spec/resolved_dependencies/dependencies/items/locked to the response with the 200 status

added the optional property list/objects/items/spec/upstream_reference to the response with the 200 status

added the optional property list/objects/items/spec/upstream_resolver_version to the response with the 200 status