Add frontend security documentation

See merge request gitlab-org/gitlab-ce!17622

Make commit pipeline accessible on file page

Closes #44152

See merge request gitlab-org/gitlab-ce!17716

Resolve "Projects::MergeRequestsController#show is slow (implement skeleton loading)"

Closes #35475

See merge request gitlab-org/gitlab-ce!15200

Resolve "Document webpack_bundle_tag replacement method"

Closes #43720 and #42704

See merge request gitlab-org/gitlab-ce!17706

Resolve "Wrong button has the loading state when submitting a comment in issues"

Closes #44149

See merge request gitlab-org/gitlab-ce!17698

* master: (29 commits)
  Fix provider server URL used when listing repos to import
  Fix inconsistent punctuation on MR form
  Update dependency for svgs
  Fix timestamp to include %M instead of %I for post-deploy migrations.
  Use Gitaly 0.89.0
  Resolve "Hover style for sidebar dropdowns is wrong"
  fixed spec
  Respect the protocol in `expose_url`
  Fix removes source branch text being rendered in merged state
  Fix code and wiki search results when filename is non-ASCII
  Include the ee/ directory in backtraces
  Use GitLab fork of zaproxy
  Updates file extensions on Vue docs
  fixed note polling not sending updated last fetched at date added spec for polling
  Add changelog entry
  Use `list.id` for `:key`
  added mutation spec
  Bump parser and unparser gems to remove warnings
  fix polling not working correctly
  Fixed issue notes being duplicated
  ...

Fix provider server URL used when listing repos to import

See merge request gitlab-org/gitlab-ce!17692

Fix timestamp to include %M instead of %I for post-deploy migrations.

Closes #44121

See merge request gitlab-org/gitlab-ce!17699

Also use Gitlab::Auth::OAuth::Provider.config_for to access OmniAuth config

Update dependency for svgs

See merge request gitlab-org/gitlab-ce!17701

Fix inconsistent punctuation on MR form

See merge request gitlab-org/gitlab-ce!17702

Use Gitaly 0.89.0

See merge request gitlab-org/gitlab-ce!17696

Closes #44121.

Bump parser and unparser gems to remove warnings

See merge request gitlab-org/gitlab-ce!17673

Include the ee/ directory in backtraces

Closes gitlab-ee#5204

See merge request gitlab-org/gitlab-ce!17664

Move NothingToMerge vue component

See merge request gitlab-org/gitlab-ce!17544

Fix removes source branch text being rendered in merged state

Closes #44163

See merge request gitlab-org/gitlab-ce!17687

Fixed issue notes being duplicated

Closes #44099

See merge request gitlab-org/gitlab-ce!17671

Resolve "Hover style for sidebar dropdowns is wrong"

Closes #42579

See merge request gitlab-org/gitlab-ce!17519

Respect the protocol in `expose_url`

Closes gitlab-ee#5217

See merge request gitlab-org/gitlab-ce!17681