Update _avatar.scss

Author: mrholek

scss/mixins/_avatar.scss

@@ -1,8 +1,9 @@
 @use "../variables" as *;
 @use "../mixins/deprecate" as *;
 
+@include deprecate("`avatar()`", "v5.1.0", "v6.0.0");
+
 @mixin avatar($width) {
-  @include deprecate("`avatar()`", "v5.1.0", "v6.0.0");
   --#{$prefix}avatar-width: #{$width};
   --#{$prefix}avatar-height: #{$width};
   --#{$prefix}avatar-font-size: #{$width * .4};