Add migration to delete logs when an object is deleted (#335)

priv/repo/migrations/20240424154519_update_task_logs_to_delete.exs

@@ -0,0 +1,11 @@
+defmodule BikeBrigade.Repo.Migrations.UpdateTaskLogsToDelete do
+  use Ecto.Migration
+
+  def change do
+    alter table(:task_assignment_logs) do
+      modify(:task_id, references(:tasks, on_delete: :delete_all), from: references(:tasks))
+      modify(:rider_id, references(:riders, on_delete: :delete_all), from: references(:riders))
+      modify(:user_id, references(:users, on_delete: :delete_all), from: references(:users))
+    end
+  end
+end