feat(post-type-photo): increase rows for photo description

Author: paulrobertlloyd

packages/post-type-photo/includes/post-types/photo-field.njk

@@ -23,7 +23,7 @@
     name: "photo[" + index + "][alt]",
     value: fieldData("photo[" + index + "].alt").value,
     label: __("posts.form.mp-photo-alt.label"),
-    rows: 1,
+    rows: 3,
     errorMessage: fieldData("photo[" + index + "].alt").errorMessage
   }) | indent(2) }}
 {% endcall %}