Table: Introduce sparkline cell type (#63182)

docs/sources/developers/kinds/composable/tablepanelcfg/schema-reference.md

@@ -23,6 +23,7 @@ title: TablePanelCfg kind
 |-----------------|---------------------------------------------------|----------|--------------------------------------------------------------------------------------|
 | `frameIndex`    | number                                            | **Yes**  | Represents the index of the selected frame Default: `0`.                             |
 | `showHeader`    | boolean                                           | **Yes**  | Controls whether the panel should show the header Default: `true`.                   |
+| `cellHeight`    | string                                            | No       | Height of a table cell<br/>Possible values are: `sm`, `md`, `lg`.                    |
 | `footer`        | [object](#footer)                                 | No       | Controls footer options Default: `map[countRows:false reducer:[] show:false]`.       |
 | `showRowNums`   | boolean                                           | No       | Controls whether the columns should be numbered Default: `false`.                    |
 | `showTypeIcons` | boolean                                           | No       | Controls whether the header should show icons for the column types Default: `false`. |