Rename services to integrations in listing page

app/controllers/projects/settings/integrations_controller.rb

@@ -9,7 +9,7 @@ module Projects
       feature_category :integrations
 
       def show
-        @services = @project.find_or_initialize_services
+        @integrations = @project.find_or_initialize_services
       end
     end
   end

app/views/projects/settings/integrations/show.html.haml

@@ -6,4 +6,4 @@
 - integrations_link_start = '<a href="%{url}">'.html_safe % { url: help_page_url('user/project/integrations/overview') }
 - webhooks_link_start = '<a href="%{url}">'.html_safe % { url: project_hooks_path(@project) }
 %p= _("%{integrations_link_start}Integrations%{link_end} enable you to make third-party applications part of your GitLab workflow. If the available integrations don't meet your needs, consider using a %{webhooks_link_start}webhook%{link_end}.").html_safe % { integrations_link_start: integrations_link_start, webhooks_link_start: webhooks_link_start, link_end: '</a>'.html_safe }
-= render 'shared/integrations/index', integrations: @services
+= render 'shared/integrations/index', integrations: @integrations

ee/spec/controllers/projects/settings/integrations_controller_spec.rb

@@ -28,7 +28,7 @@ RSpec.describe Projects::Settings::IntegrationsController do
   end
 
   context 'sets correct services list' do
-    let(:active_services) { assigns(:services).map(&:type) }
+    let(:active_services) { assigns(:integrations).map(&:type) }
     let(:disabled_services) { %w[GithubService] }
 
     it 'enables SlackSlashCommandsService and disables GitlabSlackApplication' do