* upstream/master: (379 commits)
  Fixed failing tests because list doens't exist
  Add changelog file
  Update system_note_service_spec.rb
  Remove noteable object in time tracking system notes [ci-skip]
  Make all system notes lowercase
  Fixed eslint
  Don't render snippet actions for logged-out users
  Remove deprecated MR and Issue endpoints and preserve V3 namespace
  Removed additional dropdown list animations
  Improve docs on CI/CD code coverage regexp setting
  Improve Changelog entry for CI config compatibility fix
  Refine docs on code coverage regexp on job level
  Introduce maximum session time for terminal websocket connection
  Add Changelog entry for CI config compatibility fix
  Map configuration to directory locations and add defaults to NFS HA doc.
  Update docs on setting up a CI/CD coverage regexp
  Fix Rubocop offense in legacy CI/CD config specs
  add CHANGELOG entry for !8988
  transpile all javascript files with babel
  add npm run webpack command
  ...