Update features.mdx

four not three labels

Author: vanessayuenn

docs/releases/features.mdx

@@ -5,7 +5,7 @@ sidebar:
   title: Feature Lifecycle
 ---
 
-This page explains how the Storybook team classifies features using three lifecycle labels: **Experimental**, **Preview**, **Stable**, and **Deprecated**.
+This page explains how the Storybook team classifies features using four lifecycle labels: **Experimental**, **Preview**, **Stable**, and **Deprecated**.
 
 These labels help users understand our level of commitment, the expected quality, likelihood of breaking changes, and anticipated timeline for each feature. By making this process transparent, we aim to support better adoption decisions and build trust in how Storybook evolves.