Add first-class releases API

See merge request gitlab-org/gitlab-ce!23795

Update cert-manager chart from v0.5.0 to v0.5.2

Closes #55716

See merge request gitlab-org/gitlab-ce!24025

Add spec for all release API - GET, POST, PUT, DELETE.
Also, fixes some minior bugs.

Introduce DELETE endpoint in Release API

CreateReleaseService and UpdateReleaseService now takes all the release
attributes as constructor parameters. This will simplify attribute
expansion

This commit introduces Releases API under /api/v4/projects/:id/releases

* We are introducing release policies at project level.
* We are deprecating releases changes from tags, both api and web
interface.
* Tags::CreateService no longer create a release

This feature is controlled by :releases_page feature flag

Allow user to add cluster when there are ancestor clusters

See merge request gitlab-org/gitlab-ce!23569

EE port of Allow user to add cluster when there are ancestor clusters

See merge request gitlab-org/gitlab-ee!8706

Add filtering for group vulerabilities in group sec dashboard

See merge request gitlab-org/gitlab-ee!8876

Use timestamp in group name in ee_epics_milestone_dates_spec.rb

See merge request gitlab-org/gitlab-ee!8970

Add NPM registry support to GitLab packages

Closes #5934

See merge request gitlab-org/gitlab-ee!8673

Signed-off-by: Dmitriy Zaporozhets <dmitriy.zaporozhets@gmail.com>

Signed-off-by: Dmitriy Zaporozhets <dmitriy.zaporozhets@gmail.com>

Fix docs anchor link

Closes #36474

See merge request gitlab-org/gitlab-ce!24043

Skip per-commit validations which have already passed on another change/branch

Closes #44679

See merge request gitlab-org/gitlab-ce!23984

Correct the ordering of metrics on performance dashboard

Closes #51970

See merge request gitlab-org/gitlab-ce!23630

Fix bug commenting LFS images and displaying LFS files

Closes #43783

See merge request gitlab-org/gitlab-ce!23812

CE port of Fix bug commenting LFS images and displaying LFS files

See merge request gitlab-org/gitlab-ee!8976

Don't hide CI dropdown behind diff summary

See merge request gitlab-org/gitlab-ce!24014

Update condition to visibility collaboration status text, #44642.

Closes #44642

See merge request gitlab-org/gitlab-ce!23104

Occurs on a repository commit page

Support both 0 and NULL lock_versions

See merge request gitlab-org/gitlab-ce!24050

Add kubeclients stub methods on `KubernetesHelpers`

See merge request gitlab-org/gitlab-ce!24054

Fix timeout issues retrieving branches via API

Closes #55724

See merge request gitlab-org/gitlab-ce!24034

Stub methods were added for:
- GET service account
- PUT service account
- GET role binding
- PUT role binding