(EE Port) Externalize strings in app/workers

See merge request gitlab-org/gitlab-ee!10697

- email_receiver_worker
- object_storage/migrate_uploads_worker
- Update PO file

Resolve "Extract EE specific files/lines for CI spec/serializers"

Closes #6623

See merge request gitlab-org/gitlab-ee!10705

Enable ESLint rule jest/valid-describe (EE-port)

See merge request gitlab-org/gitlab-ee!10652

Add doc link to omnibus for changing gitlab.yml

See merge request gitlab-org/gitlab-ce!27216

Resolve "Extract EE specific files/lines for CI spec/serializers"

See merge request gitlab-org/gitlab-ce!27214

Correct path to cluster health partial

Closes gitlab-ee#10990

See merge request gitlab-org/gitlab-ce!27107

Correct path to cluster health partial

Closes #10990

See merge request gitlab-org/gitlab-ee!10638

- Since the condition is now being checked in the clusters/show view.

(cherry picked from commit 7a255af4)

(cherry picked from commit 2704c4a5)

(cherry picked from commit 41c5733f)

(cherry picked from commit 84792c29)

(cherry picked from commit 44d3590e)

(cherry picked from commit c2c8189b)

Add config for dependency proxy feature

See merge request gitlab-org/gitlab-ee!10675

Resolve "Extract EE specific files/lines for some CI files"

Closes gitlab-ee#6073

See merge request gitlab-org/gitlab-ce!27210

Add time tracking to issue board entities

Closes #27780

See merge request gitlab-org/gitlab-ce!26850

Double retries for rspec-retries

See merge request gitlab-org/gitlab-ce!27208

Quarantine a flaky spec in spec/features/issues/user_creates_branch_and_merge_request_spec.rb

See merge request gitlab-org/gitlab-ce!27202

Add regression note for MR approval rules

See merge request gitlab-org/gitlab-ee!10490

It was 2*4 => 8 times before, so 4 times is still half retries

Fix GitHub project import visibility

See merge request gitlab-org/gitlab-ce!27133

Only run quarantine tests on master and schedules

See merge request gitlab-org/gitlab-ce!27203