add migration (#5472)

priv/repo/migrations/20250604115839_add_shared_links_feature_to_enterprise_plans.exs

@@ -0,0 +1,15 @@
+defmodule Plausible.Repo.Migrations.AddSharedLinksFeatureToEnterprisePlans do
+  use Ecto.Migration
+
+  def up do
+    execute """
+    UPDATE enterprise_plans
+    SET features = array_append(features, 'shared_links')
+    WHERE NOT ('shared_links' = ANY(features));
+    """
+  end
+
+  def down do
+    raise "irreversible"
+  end
+end