use uuid v7

app/controllers/webhook_settings_controller.rb

@@ -66,7 +66,7 @@ class WebhookSettingsController < ApplicationController
 
     SendTestWebhookRequestJob.perform_async(
       'submitter_id' => submitter.id,
-      'event_uuid' => SecureRandom.uuid,
+      'event_uuid' => SecureRandom.uuid_v7,
       'webhook_url_id' => @webhook_url.id
     )
 

app/jobs/process_submitter_completion_job.rb

@@ -100,7 +100,7 @@ class ProcessSubmitterCompletionJob
 
     WebhookUrls.for_account_id(submitter.account_id, %w[form.completed submission.completed]).each do |webhook|
       if webhook.events.include?('form.completed')
-        event_uuids['form.completed'] ||= SecureRandom.uuid
+        event_uuids['form.completed'] ||= SecureRandom.uuid_v7
 
         SendFormCompletedWebhookRequestJob.perform_async('submitter_id' => submitter.id,
                                                          'event_uuid' => event_uuids['form.completed'],
@@ -109,7 +109,7 @@ class ProcessSubmitterCompletionJob
 
       next unless webhook.events.include?('submission.completed') && is_last
 
-      event_uuids['submission.completed'] ||= SecureRandom.uuid
+      event_uuids['submission.completed'] ||= SecureRandom.uuid_v7
 
       SendSubmissionCompletedWebhookRequestJob.perform_async('submission_id' => submitter.submission_id,
                                                              'event_uuid' => event_uuids['submission.completed'],

app/models/webhook_event.rb

@@ -22,7 +22,7 @@
 #  index_webhook_events_on_webhook_url_id_and_id    (webhook_url_id,id)
 #
 class WebhookEvent < ApplicationRecord
-  attribute :uuid, :string, default: -> { SecureRandom.uuid }
+  attribute :uuid, :string, default: -> { SecureRandom.uuid_v7 }
 
   belongs_to :webhook_url, optional: true
   belongs_to :account, optional: true