Starscape: Block validation error

Unfortunately this nice block-experiment is only working anymore within the editor, not on the frontend. And it tells us about it.

[Bildschirmaufzeichnung vom 05.12.2023, 10:38:26.webm](https://github.com/Automattic/block-experiments/assets/198883/3f7c9fab-b39d-4710-97df-ae92f9f99d54)

In the rendered block-output the looong inline CSS for `.wp-block-a8c-starscape__stars` are missing the `animation` property, which do exist in the rendered component in the editor.


The console *says*:

```html
Content generated by `save` function:

[...]

Content retrieved from post body:

[...]