Catch exceptions in list_issues reactive cache calculation

Closes #56871

See merge request gitlab-org/gitlab-ce!24936

Return the exception as an error.

Docs review: MR diffs external storage

Closes #57335

See merge request gitlab-org/gitlab-ce!25433

- Fix "introduced in" note
- Add missing links
- Remove unnecessary hrs
- Wording
- Feature badge (admin only)

CE backport of design-management-issue-tab

See merge request gitlab-org/gitlab-ce!25429

Fail for unmocked axios requests in Jest

Closes #33715

See merge request gitlab-org/gitlab-ce!23965

Document active param for JIRA service API

See merge request gitlab-org/gitlab-ce!25282

Separate spyOnDependency docs examples

See merge request gitlab-org/gitlab-ce!25449

Docs - Reorganize incoming email doc

See merge request gitlab-org/gitlab-ce!25409

Configuration examples were moved into their own section for the purpose
of organizing and being able to link directly.

Add note on configuring an external Redis Sentinel instance

See merge request gitlab-org/gitlab-ce!25436

Adding password in the Redis Sentinel config does not actually work
because v3.2.x doesn't respond to the `AUTH` command.

This came up in
https://gitlab.com/gitlab-org/omnibus-gitlab/issues/4126.

Docs: Move chatops docs from EE to core

See merge request gitlab-org/gitlab-ce!25324

ChatOps used to be in the Ultimate tier.

Docs: document upgrade k8s apps

See merge request gitlab-org/gitlab-ce!25323

Clarify that Owners have permissions to change visibility.

See merge request gitlab-org/gitlab-ce!25356

Team Member Removed: "project_access" changed to "access_level".  Team Member...

See merge request gitlab-org/gitlab-ce!25306

Move language setting to preferences

Closes #35638

See merge request gitlab-org/gitlab-ce!25427

Template and process improvements for documentation

See merge request gitlab-org/gitlab-ce!24315

Move ChatOps to Core

See merge request gitlab-org/gitlab-ce!24780

ChatOps used to be in the Ultimate tier.

fix #39010 - add left margin to 1st time contributor badge

Closes #39010

See merge request gitlab-org/gitlab-ce!25216

Document how to enable feature flags for Review Apps

See merge request gitlab-org/gitlab-ce!25399

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

Ignore revert commits

Closes #57912

See merge request gitlab-org/gitlab-ce!25396

Quarantine failing test

See merge request gitlab-org/gitlab-ce!25424

Backports template and Vue changes from https://gitlab.com/gitlab-org/gitlab-ee/merge_requests/9632 to CE

Docs: change badges.svg example to pipeline.svg

See merge request gitlab-org/gitlab-ce!25157

Added id to namespace name generator

See merge request gitlab-org/gitlab-ce!25285

Removed quarantine tag from the squash merges test;

Bump helm and kubectl for Kubernetes integration

See merge request gitlab-org/gitlab-ce!25268

This introduces additional method for linting,
to reduce the complexity of `lint_commits`.