docs: Use camelCase for the selector.dataSources parameter (cube-js#9832) — thank you @sjauld!

Author: sjauld

docs/pages/product/apis-integrations/rest-api/reference.mdx

@@ -385,7 +385,7 @@ This endpoint is part of the [Orchestration API][ref-orchestration-api].
 | `action`                   | Use `post` to trigger jobs                                     | ✅       |
 | `selector.contexts`        | Array of objects, each containing a `securityContext`          | ✅       |
 | `selector.timezones`       | Array of timezones                                             | ✅       |
-| `selector.datasources`     | Array of data source names which have pre-aggregations defined | ❌       |
+| `selector.dataSources`     | Array of data source names which have pre-aggregations defined | ❌       |
 | `selector.cubes`           | Array of cube names which contain pre-aggregations             | ❌       |
 | `selector.preAggregations` | Array of pre-aggregation names                                 | ❌       |
 | `selector.dateRange`       | Date Range tuple ['range-date-start', 'range-date-end']        | ❌       |