themes-wordpress/block-canvas/parts/post-meta.html

<!-- wp:group {"layout":{"type":"constrained"}} -->
<div class="wp-block-group">
	<!-- wp:group {"layout":{"type":"flex"}} -->
	<div class="wp-block-group">
		<!-- wp:post-author {"showAvatar":false,"fontSize":"small"} /-->
		<!-- wp:post-date {"isLink":true,"fontSize":"small"} /-->
		<!-- wp:post-terms {"term":"category","fontSize":"small"} /-->
		<!-- wp:post-terms {"term": "post_tag","fontSize":"small"} /-->
	</div>
	<!-- /wp:group -->
</div>
<!-- /wp:group -->