Add pipeline logger class name to logged payload

lib/gitlab/ci/pipeline/logger.rb

@@ -47,6 +47,7 @@ module Gitlab
           return unless log?
 
           attributes = {
+            class: self.class.name.to_s,
             pipeline_creation_caller: caller,
             project_id: project.id,
             pipeline_id: pipeline.id,

spec/lib/gitlab/ci/pipeline/logger_spec.rb

@@ -71,6 +71,7 @@ RSpec.describe ::Gitlab::Ci::Pipeline::Logger do
 
       let(:loggable_data) do
         {
+          'class' => described_class.name.to_s,
           'pipeline_id' => pipeline.id,
           'pipeline_persisted' => true,
           'project_id' => project.id,