Merge pull request #4076 from Automattic/update/blockbase-footer-template-credits

blockbase/block-template-parts/footer.html

@@ -1,7 +1,7 @@
 <!-- wp:group -->
 <div class="wp-block-group">
 	<!-- wp:paragraph {"align":"center","fontSize":"tiny"} -->
-	<p class="has-text-align-center has-tiny-font-size">Proudly Powered by WordPress</p>
+	<p class="has-text-align-center has-tiny-font-size">Proudly Powered by <a href="https://wordpress.org" rel="nofollow">WordPress</a></p>
 	<!-- /wp:paragraph -->
 </div>
 <!-- /wp:group -->