* master: (53 commits)
  init sidebar bundle separately to allow EE override
  Add support for custom container class
  Update class init config
  Update FilteredSearchManager init config
  Add group related config and endpoint methods to be consistent with EE
  Tag migration specs with :sidekiq to clear queues between tests
  Add update for packed-refs with git v2.16
  Bump GitLab CI test image to use git v2.16
  Ignore InlineJavaScript linter in existing script tag locations.
  Update inline_javascript.rb to lint uses of the javascript filter as well as script tags.
  Update inline_javascript.rb
  Forbid all inline script tags in Linter::InlineJavaScript
  Remove webpack bundle tag for enviroments
  remove a bunch of superfluous common_vue bundles
  Remove use of any_instance_of in runner spec
  Remove trailing line from plugin logger
  Improve plugins documentation and remove unnecessary rake task
  Refactor plugins feature and make some doc improvements
  prefer let and const in webpack config
  remove common_vue from CommonsChunkPlugin
  ...

Add ability to use external plugins as system hooks

See merge request gitlab-org/gitlab-ce!17003

CE Platform port for EE epics filtered search changes

See merge request gitlab-org/gitlab-ce!17445

init sidebar bundle separately to allow EE override

See merge request gitlab-org/gitlab-ce!17412

Use v-if in the expand button for performance

See merge request gitlab-org/gitlab-ce!17394

Forbid all inline script tags in Linter::InlineJavaScript

See merge request gitlab-org/gitlab-ce!17437

Tag migration specs with :sidekiq to clear queues between tests

See merge request gitlab-org/gitlab-ce!17442

Remove use of any_instance_of in runner spec

See merge request gitlab-org/gitlab-ce!17427

Bump GitLab CI image to use git 2.16

See merge request gitlab-org/gitlab-ce!17440

Removed protected_tags webpack bundle

See merge request gitlab-org/gitlab-ce!17334

This was failing in https://gitlab.com/gitlab-org/gitlab-ee/-/jobs/55004375

git 2.15.0 has some significant performance improvements when running `git
fetch` on a repository that has lots of references. See
https://gitlab.com/gitlab-com/migration/issues/216#note_60672987 for more
details.

Refactor pipelines show for webpack bundle tag removal

See merge request gitlab-org/gitlab-ce!17127

Remove webpack bundle tag for enviroments

See merge request gitlab-org/gitlab-ce!17371

# Conflicts:
#   config/webpack.config.js

Cleanup webpack config

See merge request gitlab-org/gitlab-ce!17410

* master: (41 commits)
  Remove cycle analytics bundle webpack entry point
  Replace whitespace demonstrating line-breaks in GFM docs
  Remove pipelines mini graph spec that wasn't actually testing anything
  Change the wording to reduce confusion about whether you need to reconfigure or restart.
  Add Assignees vue component missing data container
  Set security harness hook to executable after creation
  Fix for open-ended parameter's in lograge causing elastic memory issues
  Docs: explain feature availability in GitLab.com
  Patch 29
  PagesDomain: improve breadcrumbs
  PagesDomain: Add edit/update functionality
  Add new job variables: CI_RUNNER_{REVISION,VERSION,EXECUTABLE_ARCH}
  Re-enable the remaning Wiki Gitaly-Endpoints
  Labels Select Tests
  Fix unnecessary spacing between labels
  Add changelog entry
  Make label filter URL dynamic
  Move the remaining EE-specific JS files to ee/
  Specify base controller for Doorkeeper
  Fix example in Vuex docs
  ...

# Conflicts:
#   config/webpack.config.js

Add Assignees vue component missing data container

See merge request gitlab-org/gitlab-ce!17426

Make sure wiki exists when it's enabled

See merge request gitlab-org/gitlab-ce!17117

Remove pipelines mini graph spec that wasn't actually testing anything

Closes #43636

See merge request gitlab-org/gitlab-ce!17428

Remove cycle analytics bundle webpack entry point

See merge request gitlab-org/gitlab-ce!17407

Set security harness hook to executable after creation

Closes #43709

See merge request gitlab-org/gitlab-ce!17425

Document new job variables: CI_RUNNER_{REVISION,VERSION,EXECUTABLE_ARCH}

See merge request gitlab-org/gitlab-ce!16834

Replace whitespace demonstrating line-breaks in GFM docs

See merge request gitlab-org/gitlab-ce!16135