[css-color-adjust-1] Include animation declarations. w3c#4020 follow-up to 48f5483

Author: fantasai

css-color-adjust-1/Overview.bs

@@ -366,8 +366,8 @@ Properties Affected by Forced Colors Mode {#forced-colors-properties}
 	and 'forced-color-adjust' is ''forced-color-adjust/auto'' (see below),
 	colors must be force-adjusted to the user’s preferred color palette.
 
-	Any [=author origin=] declaration of the following properties
-	on any element
+	Any [=author origin=] or [=animation origin=] declaration
+	of the following properties on any element
 	(including any declarations representing a non-CSS presentational hint)
 	is rewritten to specify ''revert'':