Add a user’s avatar.

<div class="wp-duotone-000000-00a5ff-7 wp-block-avatar"><a href="https://blocks.joedolson.com/author/joedolson/" target="_self" class="wp-block-avatar__link"><img alt="joedolson Avatar" src="https://secure.gravatar.com/avatar/fb977ded9dc2100085403dd0e0ae0b59?s=96&amp;d=mm&amp;r=g" srcset="https://secure.gravatar.com/avatar/fb977ded9dc2100085403dd0e0ae0b59?s=192&amp;d=mm&amp;r=g 2x" class="avatar avatar-96 photo wp-block-avatar__image  " height="96" width="96" style="" loading="lazy"></a></div>