Fix namespace ambiguity with Kubernetes Pod definitions

Closes #41458

See merge request gitlab-org/gitlab-ce!16130

This was causing a spec failure between Gitlab::Kubernetes::Helm::Pod and
Gitlab::Kubernetes::Helm::Api::Pod if one spec loaded the former
definition first.

Closes #41458

Resolve "Updating Slack Notification not working by API"

Closes #32364 et #22306

See merge request gitlab-org/gitlab-ce!11435

Remove security checks from static analysis and add sast job

See merge request gitlab-org/gitlab-ce!16113

Resolve "lint-changelog-yaml error message is useless"

Closes #41359

See merge request gitlab-org/gitlab-ce!16122

Resolve "Replace '.team << [user, role]' with 'add_role(user)' in specs"

Closes #36782

See merge request gitlab-org/gitlab-ce!16069

Disable /dev/shm in CI

See merge request gitlab-org/gitlab-ce!16105

Add note about using the term GPG for all related implementations

Closes #36970

See merge request gitlab-org/gitlab-ce!14887

Improve performance of DiffDiscussion#truncated_diff_lines and DiffNote#diff_line by removing expensive diff position calculation and comparison

Closes #41406

See merge request gitlab-org/gitlab-ce!16111

Reverted fix https://gitlab.com/gitlab-org/gitlab-ce/merge_requests/15788

See merge request gitlab-org/gitlab-ce!16118

Extend Cluster Applications to allow installation of Prometheus

Closes #41053

See merge request gitlab-org/gitlab-ce!15895

Docs: move article LDAP-CE to its topic-related folder

See merge request gitlab-org/gitlab-ce!16094

Execute project hooks and services after commit when moving an issue

Closes #41324

See merge request gitlab-org/gitlab-ce!16108

Improve performance of DiffDiscussion#truncated_diff_lines and DiffNote#diff_line by removing expensive diff position calculation and comparison

Use relative URLs when linking to uploaded files

Closes #38893

See merge request gitlab-org/gitlab-ce!15751

Use gitlab-styles which provides shared RuboCop config and cops

Closes #37711

See merge request gitlab-org/gitlab-ce!14337

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

Add index on namespaces lower(name) for UsersController#exists

Closes #41340

See merge request gitlab-org/gitlab-ce!16059

+ Add support for the new separate channel and events settings
* Dry up chat notifications in the service properties definitions

Explictly require Gitlab::Utils in ProjectFeaturesCompatibility

Closes #41390

See merge request gitlab-org/gitlab-ce!16107

Clarify Auto DevOps pipelines

See merge request gitlab-org/gitlab-ce!16106

Make webpack fail for missing exports

See merge request gitlab-org/gitlab-ce!16005

docs: fix a typo in LFS documentation

See merge request gitlab-org/gitlab-ce!16078

Fix prometheus arg in prometheus.yml

See merge request gitlab-org/gitlab-ce!16075

Replace the download, fork and resolve discussion in a new issue icons

See merge request gitlab-org/gitlab-ce!15436

Update Dependencies

See merge request gitlab-org/gitlab-ce!16073