Fix nesting depth scss-lint

app/assets/stylesheets/pages/billings.scss

@@ -120,13 +120,13 @@
             display: flex;
             flex-direction: column;
             justify-content: flex-end;
+          }
 
-            &:hover {
+          &:last-child:hover {
             background-color: $gray-light;
           }
         }
       }
-      }
 
       .plan-action {
         padding: 16px;