Migrate import_projects application to gitlab-ui

See merge request gitlab-org/gitlab!53976

- Use gitlab-ui CSS styles and components

Document DAST saved scans feature

See merge request gitlab-org/gitlab!54046

Enable sorting diffs by default

See merge request gitlab-org/gitlab!54210

Remove catfile feature flag [RUN ALL RSPEC] [RUN AS-IF-FOSS]

See merge request gitlab-org/gitlab!53702

Fix N+1 Issue with loading approval rules

See merge request gitlab-org/gitlab!52364

Move it to request spec since we are transitioning controller
specs to request specs. Also, query counter should be used in
request specs as it is possible to return false positives when
used in controller specs.

Add all metrics from event dictionary to metric yml files for Product Intelligence group

See merge request gitlab-org/gitlab!51974

Pipeline Graph Structural Update: Update Rspec Tests

See merge request gitlab-org/gitlab!52122

* Removed stubbed false flags
* Updates selectors for feature specs
* Add tests for both flag states in ee

Enable ci_config_merged_tab feature by default

See merge request gitlab-org/gitlab!54223

This enabled the ci_config_merged_tab feature by default
and adds the changelog.

Improve metrics generator

See merge request gitlab-org/gitlab!54064

Enable group wikis import/export [RUN ALL RSPEC] [RUN AS-IF-FOSS]

See merge request gitlab-org/gitlab!53247

Enable clear_status_with_quick_options FF

See merge request gitlab-org/gitlab!54207

Cleanup composer cache pages

See merge request gitlab-org/gitlab!53005

Update mentions autocomplete user documentation

See merge request gitlab-org/gitlab!54313

Add docs for full name search in mentions autocomplete.

Add inner scroll container to swimlanes

See merge request gitlab-org/gitlab!54172

So I can add something to the right of it

BulkImports: Better error handling and logging for `Pipeline#after_run`

See merge request gitlab-org/gitlab!54139

[FE] Set user availability - Add busy status to MR sidebar

See merge request gitlab-org/gitlab!47769

Add the user busy status to the note header

Adds the busy status indicator to the sidebar
assignees dropdown and the note header in
dicusssions

Minor cleanup specs

- Adds worker to delete composer cache files which
  are due to be deleted (delete_at < Time.now)
- Schedule the job to run every hour

Run `Pipeline#after_run` like any other pipeline stpe to have the same
error handling and logging behavior.

Fix import order to pass ESlint

See merge request gitlab-org/gitlab!54306

Implement passing trigger payload into pipeline variable [RUN ALL RSPEC] [RUN AS-IF-FOSS]

See merge request gitlab-org/gitlab!53837

This is behind a feature flag "ci_trigger_payload_into_pipeline"

Enable FF usage_data_unique_users_committing_ciconfigfile by default

See merge request gitlab-org/gitlab!54192

Standardize Maintenance Mode feature name

See merge request gitlab-org/gitlab!54297

Minor dependency cleanup

See merge request gitlab-org/gitlab!54253

Fix unencoded octothorpes (and spaces) in Image Diff URLs

See merge request gitlab-org/gitlab!53638

Deprecate GMA apps that will be removed in 14.0

See merge request gitlab-org/gitlab!54162

Export only selected fields in requirements

See merge request gitlab-org/gitlab!53707

Boilerplate for learn gitlab page experiment [RUN ALL RSPEC] [RUN AS-IF-FOSS]

See merge request gitlab-org/gitlab!53089