Fix for "follows you" indicator in light web UI not readable (#25993)

app/javascript/styles/mastodon/components.scss

@@ -4390,7 +4390,7 @@ a.status-card.compact:hover {
 }
 
 .relationship-tag {
-  color: $primary-text-color;
+  color: $white;
   margin-bottom: 4px;
   display: block;
   background-color: rgba($black, 0.45);