Plaid EU webhooks migration task (#1825)

* Add data migration for EU Plaid webhooks

* Fix task

lib/tasks/data_migration.rake

@@ -0,0 +1,23 @@
+namespace :data_migration do
+  desc "Migrate EU Plaid webhooks"
+  # 2025-02-07: EU Plaid items need to be moved over to a new webhook URL so that we can
+  # instantiate the correct Plaid client for verification based on which Plaid instance it comes from
+  task eu_plaid_webhooks: :environment do
+    provider = Provider::Plaid.new(Rails.application.config.plaid_eu, region: :eu)
+
+    eu_items = PlaidItem.where(plaid_region: "eu")
+
+    eu_items.find_each do |item|
+      request = Plaid::ItemWebhookUpdateRequest.new(
+        access_token: item.access_token,
+        webhook: "https://app.maybefinance.com/webhooks/plaid_eu"
+      )
+
+      provider.client.item_webhook_update(request)
+
+      puts "Updated webhook for Plaid item #{item.plaid_id}"
+    rescue => error
+      puts "Error updating webhook for Plaid item #{item.plaid_id}: #{error.message}"
+    end
+  end
+end