Add usage data of whether instance has Auto DevOps enabled

changelogs/unreleased/instance_auto_devops_enabled_usage_ping.yml

+---
+title: Add whether instance has Auto DevOps enabled to usage ping
+merge_request: 33811
+author:
+type: changed

lib/gitlab/usage_data.rb

@@ -181,6 +181,7 @@ module Gitlab
 
       def features_usage_data_ce
         {
+          instance_auto_devops_enabled: alt_usage_data(fallback: nil) { Gitlab::CurrentSettings.auto_devops_enabled? },
           container_registry_enabled: alt_usage_data(fallback: nil) { Gitlab.config.registry.enabled },
           dependency_proxy_enabled: Gitlab.config.try(:dependency_proxy)&.enabled,
           gitlab_shared_runners_enabled: alt_usage_data(fallback: nil) { Gitlab.config.gitlab_ci.shared_runners_enabled },

spec/lib/gitlab/usage_data_spec.rb

@@ -211,7 +211,8 @@ describe Gitlab::UsageData, :aggregate_failures do
     describe '#features_usage_data_ce' do
       subject { described_class.features_usage_data_ce }
 
-      it 'gathers feature usage data' do
+      it 'gathers feature usage data', :aggregate_failures do
+        expect(subject[:instance_auto_devops_enabled]).to eq(Gitlab::CurrentSettings.auto_devops_enabled?)
         expect(subject[:mattermost_enabled]).to eq(Gitlab.config.mattermost.enabled)
         expect(subject[:signup_enabled]).to eq(Gitlab::CurrentSettings.allow_signup?)
         expect(subject[:ldap_enabled]).to eq(Gitlab.config.ldap.enabled)