Gracefully handle orphaned write deploy keys in /internal/post_receive

Closes #41466

See merge request gitlab-org/gitlab-ce!16127

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

On GitLab.com, there are write deploy keys with no associated users.
Pushes with these deploy keys end with an Error 500 since we attempt
to look up redirect message. If there is no user, don't attempt
to display a redirect message.

Closes #41466

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