Merge branch 'trunk' into update/remove-php-ai-client-polyfills

Author: gziolo

src/wp-admin/css/customize-controls.css

@@ -613,9 +613,9 @@ body.trashing #publish-settings {
 #customize-controls .control-section .accordion-section-title button:hover,
 #customize-controls .control-section.open .accordion-section-title,
 #customize-controls .control-section .accordion-section-title button:focus {
-	color: #2271b1;
+	color: var(--wp-admin-theme-color, #3858e9);
 	background: #f6f7f7;
-	border-left-color: #2271b1;
+	border-left-color: var(--wp-admin-theme-color, #3858e9);
 }
 
 #accordion-section-themes + .control-section {