Docs: don't mention an incomplete list of supported types.

It mentioned 6 types, the full list is 15:

Map, List, Set, byte[], double[][], double[], null, String, Integer,
Long, Float, Double, Boolean, ZonedDateTime, Date.

Author: chrisberkhout

docs/reference/enrich-processor/append-processor.md

@@ -15,7 +15,7 @@ $$$append-options$$$
 | --- | --- | --- | --- |
 | `field` | yes | - | The field to be appended to. Supports [template snippets](docs-content://manage-data/ingest/transform-enrich/ingest-pipelines.md#template-snippets). |
 | `value` | yes* | - | The value to be appended. Supports [template snippets](docs-content://manage-data/ingest/transform-enrich/ingest-pipelines.md#template-snippets). May specify only one of `value` or `copy_from`. |
-| `copy_from` | no | - | The source field to be append. Cannot set `value` simultaneously. Supported data types are `boolean`, `number`, `array`, `object`, `string`, `date`, etc. |
+| `copy_from` | no | - | The source field to be append. Cannot set `value` simultaneously. |
 | `allow_duplicates` | no | true | If `false`, the processor does not appendvalues already present in the field. |
 | `media_type` | no | `application/json` | The media type for encoding `value`. Applies only when `value` is a[template snippet](docs-content://manage-data/ingest/transform-enrich/ingest-pipelines.md#template-snippets). Must be one of `application/json`, `text/plain`, or`application/x-www-form-urlencoded`. |
 | `description` | no | - | Description of the processor. Useful for describing the purpose of the processor or its configuration. |