Ensure post migrate is later than rename

changelogs/unreleased/31222-follow-up-from-adjusts-snowplow-to-use-cookies-for-sessions.yml

+---
+title: Rename snowplow_site_id to snowplow_app_id in application_settings table
+merge_request: 19252
+author:
+type: other

db/migrate/20191028184740_rename_snowplow_site_id_to_snowplow_app_id.rb

@@ -3,6 +3,8 @@
 class RenameSnowplowSiteIdToSnowplowAppId < ActiveRecord::Migration[5.2]
   include Gitlab::Database::MigrationHelpers
 
+  DOWNTIME = false
+
   disable_ddl_transaction!
 
   def up

db/post_migrate/20191028145040_cleanup_application_settings_snowplow_site_id_rename.rb → db/post_migrate/20191029095537_cleanup_application_settings_snowplow_site_id_rename.rb

@@ -3,6 +3,8 @@
 class CleanupApplicationSettingsSnowplowSiteIdRename < ActiveRecord::Migration[5.2]
   include Gitlab::Database::MigrationHelpers
 
+  DOWNTIME = false
+
   disable_ddl_transaction!
 
   def up

locale/gitlab.pot

@@ -1798,6 +1798,9 @@ msgstr ""
 msgid "Any user"
 msgstr ""
 
+msgid "App ID"
+msgstr ""
+
 msgid "Appearance"
 msgstr ""
 
@@ -15596,9 +15599,6 @@ msgstr ""
 msgid "Single or combined queries"
 msgstr ""
 
-msgid "Site ID"
-msgstr ""
-
 msgid "Size"
 msgstr ""