Reword 'build' to 'pipeline' in todos

Changelog: changed

app/helpers/todos_helper.rb

@@ -18,7 +18,7 @@ module TodosHelper
     when Todo::ASSIGNED then todo.self_added? ? 'assigned' : 'assigned you'
     when Todo::REVIEW_REQUESTED then 'requested a review of'
     when Todo::MENTIONED then "mentioned #{todo_action_subject(todo)} on"
-    when Todo::BUILD_FAILED then 'The build failed for'
+    when Todo::BUILD_FAILED then 'The pipeline failed in'
     when Todo::MARKED then 'added a todo for'
     when Todo::APPROVAL_REQUIRED then "set #{todo_action_subject(todo)} as an approver for"
     when Todo::UNMERGEABLE then 'Could not merge'

spec/features/dashboard/todos/todos_filtering_spec.rb

@@ -178,7 +178,7 @@ RSpec.describe 'Dashboard > User filters todos', :js do
         review_requested: ' requested a review of ',
         mentioned: ' mentioned ',
         marked: ' added a todo for ',
-        build_failed: ' build failed for '
+        build_failed: ' pipeline failed in '
       }
 
       action_name_text = action_names.delete(action_name)

spec/features/dashboard/todos/todos_spec.rb

@@ -400,7 +400,7 @@ RSpec.describe 'Dashboard Todos' do
     end
 
     it 'shows the todo' do
-      expect(page).to have_content 'The build failed for merge request'
+      expect(page).to have_content 'The pipeline failed in merge request'
     end
 
     it 'links to the pipelines for the merge request' do