Homepage: Update color of links in learning pathways mini cards

Fixes #2770

wp-content/themes/pub/wporg-learn-2024/src/learning-pathway-cards/index.php

@@ -158,8 +158,8 @@ function render_mini_card( $learning_pathway ) {
 				<!-- wp:group {"style":{"spacing":{"padding":{"top":"40px","bottom":"40px","left":"30px","right":"40px"},"blockGap":"10px"},"layout":{"selfStretch":"fixed","flexSize":"53%%"},"border":{"right":{"color":"var:preset|color|light-grey-1","width":"1px","style":"solid"},"top":{},"bottom":{},"left":{"width":"0px","style":"none"}}},"layout":{"type":"flex","orientation":"vertical","verticalAlignment":"center"}} -->
 				<div class="wp-block-group" style="border-right-color:var(--wp--preset--color--light-grey-1);border-right-style:solid;border-right-width:1px;border-left-style:none;border-left-width:0px;padding-top:40px;padding-right:40px;padding-bottom:40px;padding-left:30px">
 				
-					<!-- wp:heading {"level":3,"style":{"spacing":{"margin":{"top":"0"}},"elements":{"link":{"color":{"text":"var:preset|color|charcoal-1"}}}},"textColor":"charcoal-1","fontSize":"18px,"lineHeight":"1.3""} -->
-					<h3 class="wp-block-heading has-charcoal-1-color has-text-color has-link-color" style="margin-top:0;font-size:18px;line-height:1.3">%2$s</h3>
+					<!-- wp:heading {"level":3,"style":{"typography":{"fontSize":"18px","lineHeight":"1.3"},"spacing":{"margin":{"top":"0"}},"elements":{"link":{"color":{"text":"var:preset|color|blueberry-1"}}}},"textColor":"blueberry-1"} -->
+					<h3 class="wp-block-heading has-blueberry-1-color has-text-color has-link-color" style="margin-top:0;font-size:18px;line-height:1.3">%2$s</h3>
 					<!-- /wp:heading -->
 
 					<!-- wp:paragraph {"style":{"elements":{"link":{"color":{"text":"var:preset|color|charcoal-4"}}},"typography":{"lineHeight":1.6}},"textColor":"charcoal-4"} -->