Merge branch...

Merge branch '43662-can-t-modify-frozen-hash-error-in-development-when-running-a-rake-task' into 'master'

Resolve "`can't modify frozen Hash` error in development when running a rake task"

Closes #43662

See merge request gitlab-org/gitlab-ce!17396

lib/api/services.rb

@@ -139,7 +139,7 @@ module API
       }
     ].freeze
 
-    SERVICES = {
+    services = {
       'asana' => [
         {
           required: true,
@@ -673,9 +673,9 @@ module API
           desc: 'The password of the user'
         }
       ]
-    }.freeze
+    }
 
-    SERVICE_CLASSES = [
+    service_classes = [
       AsanaService,
       AssemblaService,
       BambooService,
@@ -704,10 +704,10 @@ module API
       MattermostService,
       MicrosoftTeamsService,
       TeamcityService
-    ].freeze
+    ]
 
     if Rails.env.development?
-      SERVICES['mock-ci'] = [
+      services['mock-ci'] = [
         {
           required: true,
           name: :mock_service_url,
@@ -715,16 +715,19 @@ module API
           desc: 'URL to the mock service'
         }
       ]
-      SERVICES['mock-deployment'] = []
-      SERVICES['mock-monitoring'] = []
+      services['mock-deployment'] = []
+      services['mock-monitoring'] = []
 
-      SERVICE_CLASSES += [
+      service_classes += [
         MockCiService,
         MockDeploymentService,
         MockMonitoringService
       ]
     end
 
+    SERVICES = services.freeze
+    SERVICE_CLASSES = service_classes.freeze
+
     SERVICE_CLASSES.each do |service|
       event_names = service.try(:event_names) || next
       event_names.each do |event_name|