[css-2022] update pre-CR Exceptions, see w3c#7310

Author: svgeesus

css-2022/Overview.bs

@@ -820,6 +820,10 @@ Safe to Release pre-CR Exceptions</h2>
 		<li>The 'translate', 'rotate', and 'scale' properties. [[!CSS-TRANSFORMS-2]]
 
 		<li>The 'hyphenate-character' property. [[!CSS-TEXT-4]]
+
+		<li>The <a>color-mix()</a> function. [[!CSS-COLOR-5]]
+
+		<li>The <<color-interpolation-method>>, defined in [[!CSS-COLOR-4]] and used for interpolation of linear, radial and conic gradients. [[!CSS-IMAGES-4]]
 	</ul>
 
 	The following features have been explicitly and retroactively cleared