Add `seconds` unit to latency metrics based on uptream naming
convention[0].

[0]: https://prometheus.io/docs/practices/naming/#metric-names

* Follow Prometheus naming conventions[0].
* Simplify metrics by adding response lables to the histogram.
* Use standard `http_request_duration_seconds_...` names for the histogram.

[0]: https://prometheus.io/docs/practices/naming/#metric-names

Return `is_admin` attribute in the GET /user endpoint for admins

Closes #34325

See merge request !12811

Signed-off-by: Rémy Coutable <remy@rymai.me>

Remove public/ci/favicon.ico

Closes #34978

See merge request !12803

Bump scss-lint to 0.54.0

Closes #34858

See merge request !12733

Use Gitaly server v0.17.0

Closes #34853

See merge request !12802

Updated new navigation image in preferences

Closes #34970

See merge request !12806

Closes #34970

Remove CSS for nprogress removed

See merge request !12737

Enable ImportPath in scss-lint

See merge request !12749

Enable PropertySpelling in scss-lint

See merge request !12752

Enable SpaceAfterComma in scss-lint

See merge request !12734

Added limit-container-width to breadcrumbs container

Closes #34573

See merge request !12776

Make `Redis::Wrapper#_raw_config` and `#fetch_config` more resilient

Closes #34941

See merge request !12797

Closes https://gitlab.com/gitlab-org/gitlab-ce/issues/34853 and enables
https://gitlab.com/gitlab-org/omnibus-gitlab/merge_requests/1712

Toggle import description with import_sources_enabled

Closes #34826

See merge request !12691

These two methods now handle two additional real-world possibilities:

1. `config/resque.yml` not being present
2. `config/resque.yml` being present but not containing YAML

Closes https://gitlab.com/gitlab-org/gitlab-ce/issues/34941

[ci skip]

Add Esperanto translations of Pipeline Charts

Closes #34796

See merge request !12699

Add Bulgarian translations of Pipeline Charts

Closes #34795

See merge request !12698

Merge branch '34791_add_traditional_chinese_in_hongkong_translations_of_pipeline_charts' into 'master'

Add Traditional Chinese in HongKong translations of Pipeline Charts

Closes #34791

See merge request !12696

Add Simplified Chinese translations of Pipeline Charts

Closes #34790

See merge request !12695

Update GitLab Shell to v5.3.0

See merge request !12730

snippet has a blob, but isn't a blob

Closes #34729

See merge request !12792

Remove net-ssh gem

Closes #34867

See merge request !12736

Add a simple mode to merge request API

Closes #34920

See merge request !12766

Updated vendor/licenses.csv for 9.4

See merge request !12788

Update Sidekiq from 5.0.0 to 5.0.4

See merge request !12774

Do not show pipeline schedule button for non-member

Closes #34907

See merge request !12757

Fixed badge alignment in new project sidebar in FireFox

See merge request !12777