single: post date at base font size (match content, was x-small)

templates/single.html

@@ -7,7 +7,7 @@
 		<!-- wp:group {"style":{"spacing":{"margin":{"bottom":"var:preset|spacing|40"}}},"layout":{"type":"flex","flexWrap":"nowrap","justifyContent":"space-between","verticalAlignment":"top"}} -->
 		<div class="wp-block-group" style="margin-bottom:var(--wp--preset--spacing--40)">
 			<!-- wp:post-title {"level":1} /-->
-			<!-- wp:post-date {"fontSize":"x-small"} /-->
+			<!-- wp:post-date /-->
 		</div>
 		<!-- /wp:group -->
 		<!-- wp:post-content {"layout":{"type":"constrained"}} /-->