[8.4] Fix snapshot.get validation errors

Co-authored-by: Seth Michael Larson <[email protected]>

Author: github-actions[bot]

output/schema/schema.json

@@ -46,7 +46,7 @@ export class SnapshotInfo {
   end_time_in_millis?: EpochTime<UnitMillis>
   failures?: SnapshotShardFailure[]
   include_global_state?: boolean
-  indices: IndexName[]
+  indices?: IndexName[]
   /** @since 7.13.0 */
   index_details?: Dictionary<IndexName, IndexDetails>
   metadata?: Metadata

output/schema/validation-errors.json

@@ -64,7 +64,16 @@ export interface Request extends RequestBase {
      * @server_default false
      */
     index_details?: boolean
-    human?: boolean
+    /**
+     * If true, returns the name of each index in each snapshot.
+     * @since 8.3.0
+     * @server_default true
+     */
+    index_names?: boolean
+    /**
+     * If true, returns the repository name in each snapshot.
+     * @server_default true
+     */
     include_repository?: boolean
     /**
      * Allows setting a sort order for the result. Defaults to start_time, i.e. sorting by snapshot start time stamp.