Change YAML test structure from list to object (#77700)

This change converts the range query from an array to object.

```
range": {
  "number": [
    {
      "gte": 4
    }
  ]
}
```

to

```
range": {
  "number": {
    "gte": 4
  }
}
```

modules/data-streams/src/yamlRestTest/resources/rest-api-spec/test/data_stream/110_update_by_query.yml

@@ -75,7 +75,7 @@
           query:
             range:
               number:
-                - gte: 4
+                gte: 4
 
   - match: {updated: 2}
   - match: {version_conflicts: 0}