Translate issuable sidebar

Closes #34416

See merge request gitlab-org/gitlab-ce!16663

Backport LFS File Locking API

Closes #35856

See merge request gitlab-org/gitlab-ce!16935

Check for keep-around commits once if target and source projects are the same

Closes #37439 and gitaly#1000

See merge request gitlab-org/gitlab-ce!16972

Add how to get the external ip of a cluster

Closes #42691

See merge request gitlab-org/gitlab-ce!16874

Search API

Closes #41763

See merge request gitlab-org/gitlab-ce!16878

Fixes #37439
Fixes gitaly#1000

This reduces the number of RefExists RPC call.

Resolve "CI linter fails to work"

Closes #41209

See merge request gitlab-org/gitlab-ce!16922

Remove redundant pipeline stages from the database

Closes #41769

See merge request gitlab-org/gitlab-ce!16580

Merge branch '38265-stuckcijobsworker-wrongly-detects-cancels-stuck-builds-when-per-job-timeout-is-more-than-an-hour' into 'master'

Resolve "StuckCiJobsWorker wrongly detects, cancels 'stuck' builds when per-job timeout is more than an hour"

Closes #38265, #42196, and #42750

See merge request gitlab-org/gitlab-ce!16756

Resolve "Add domain field to Auto DevOps application setting"

Closes #38175

See merge request gitlab-org/gitlab-ce!16604

Resolve "I wonder how to leverage browser caching of my Gitlab pages?"

Closes #15037

See merge request gitlab-org/gitlab-ce!16829

Dynamic CI secret variables -- CE backport

See merge request gitlab-org/gitlab-ce!16842

Docs: replace product names

See merge request gitlab-org/gitlab-ce!16867

Converted search_autocomplete.js to use axios

See merge request gitlab-org/gitlab-ce!16943

Resolve "N+1 database queries on the snippets dashboard"

Closes #40755

See merge request gitlab-org/gitlab-ce!16944

Remove N + 1 issue for MergeRequests#show

Closes #37432 and gitaly#994

See merge request gitlab-org/gitlab-ce!16967

Update GITALY_SERVER_VERSION to 0.81.0

See merge request gitlab-org/gitlab-ce!16966

Move board list vue component

See merge request gitlab-org/gitlab-ce!16888

* commit '4457cf9d': (76 commits)

Conflicts:
	spec/services/ci/retry_build_service_spec.rb

This makes it possible to heavily optimize this migration, because we
need an outdated index to remove redundant stages faster.

Add QA specs for LDAP login

See merge request gitlab-org/gitlab-ce!16914

Run bin/qa from anywhere

See merge request gitlab-org/gitlab-ce!16833

Closes #40755.

- Move the exception handling as close to the source as possible to
avoid leaking Psych ahstraction
- Also remove unnecessary rescue all statement from LintsController.
This should not be necessary anymore since any YAML errors should all be
caught by the #validation_message method.