Issue #2701795 by quietone, Jo Fitzgerald, rakesh.gectcr, ifrik, hauruck,...

Issue #2701795 by quietone, Jo Fitzgerald, rakesh.gectcr, ifrik, hauruck, yoroy, heddn, mikeryan: Provide menu links for Drupal Upgrade UI pages

core/modules/migrate_drupal_ui/migrate_drupal_ui.links.menu.yml

+migrate_drupal_ui.upgrade:
+  title: 'Upgrade'
+  parent: system.admin_config_development
+  description: 'Upgrade content and configuration from either a Drupal 6 or a Drupal 7 site.'
+  route_name: migrate_drupal_ui.upgrade
+
+migrate_drupal_ui.log:
+  title: 'Upgrade log'
+  parent: system.admin_reports
+  description: 'View the upgrade log.'
+  route_name: migrate_drupal_ui.log
+  weight: 0

core/modules/migrate_drupal_ui/migrate_drupal_ui.routing.yml

@@ -9,7 +9,7 @@ migrate_drupal_ui.upgrade:
     _admin_route: TRUE
 
 migrate_drupal_ui.log:
-  path: '/upgrade/log'
+  path: '/admin/reports/upgrade'
   defaults:
       _controller: '\Drupal\migrate_drupal_ui\Controller\MigrateController::showLog'
   requirements: