Unify lib/api/job_artifacts.rb with EE

See merge request gitlab-org/gitlab-ce!17556

Port of ee translations

See merge request gitlab-org/gitlab-ce!17526

Fix project dashboard showing the wrong timestamps

Closes #27181

See merge request gitlab-org/gitlab-ce!17504

Add archive feature to trace

Closes #43022 and gitlab-ee#4170

See merge request gitlab-org/gitlab-ce!17314

Document required PG extensions

Closes #43798

See merge request gitlab-org/gitlab-ce!17491

Breadcrumbs on Project Tags

Closes #43924

See merge request gitlab-org/gitlab-ce!17562

Resolve "API endpoint for exporting project"

Closes #29130

See merge request gitlab-org/gitlab-ce!15860

Fix Gitaly n+1 in NetworkController#show

Closes #37602 and gitaly#1056

See merge request gitlab-org/gitlab-ce!17548

Add overview of branches and filtered views for active/stale branches

Closes #40187 et #17293

See merge request gitlab-org/gitlab-ce!15402

Integrate two workers into one ArchiveTraceWorker with pipeline_background queue. This queue takes loqer precedence than pipeline_default.

Lock gRPC gem to 1.8

Closes gitaly#1059

See merge request gitlab-org/gitlab-ce!17484

Reload stable object to prevent erase artifacts with old state (Ver 2)

Closes #43641

See merge request gitlab-org/gitlab-ce!17522

perforce.md: add note about repacking

See merge request gitlab-org/gitlab-ce!17373

Resolve "Group Leave action is broken on Groups Dashboard and Homepage"

Closes #43299

See merge request gitlab-org/gitlab-ce!17183

Improve GitLab Kubernetes CPU metrics

Closes #43670 and #43462

See merge request gitlab-org/gitlab-ce!17403

Fix race condition when previewing docs

Closes gitlab-com/gitlab-docs#154 et #41024

See merge request gitlab-org/gitlab-ce!17552

Fix a changelog entry YAML to be consistent with EE

See merge request gitlab-org/gitlab-ce!17554

Given 1.9 has issues we're aware of, for now we're locking to 1.8.
Closes gitlab-org/gitaly#1059 and will probably be removed if 1.10 is
tested an deemed ok.