Help/About: Update performance content and images

Author: ryelle

src/wp-admin/about.php

@@ -138,7 +138,7 @@
 					</svg>
 				</div>
 				<h3><?php _e( 'Performance updates' ); ?></h3>
-				<p><?php _e( 'WordPress 6.9 includes a broad set of performance updates, including a faster way of browsing and selecting styles, optimizations of the navigation link, fixes the layout shifts caused by the Video block, quicker load of the terms selector, no extra network request for retrieving feature media, and optimization in the Editor.' ); ?></p>
+				<p><?php _e( 'WordPress 6.9 includes a broad set of performance enhancements. A better LCP metric by improvements in loading conditional and inlined stylesheet, script with fetchpriority support, and core optimizations, and Editor advances like fixes in layout shifts caused by the Video block, and a quicker load of the terms selector.' ); ?></p>
 			</div>
 			<div class="column">
 				<div class="about__image">