Add API Support for Kubernetes integration

Closes #40473

See merge request gitlab-org/gitlab-ce!23922

Require Knative to be installed only on an RBAC kubernetes cluster

See merge request gitlab-org/gitlab-ce!23807

Fix broken master api_variables test

See merge request gitlab-org/gitlab-ce!24165

[ci skip]

Merge branch '4553-geo-hashed-storage-migration-failure-does-not-log-to-sentry-or-geo-log-well-ee' into 'master'

Backport of https://gitlab.com/gitlab-org/gitlab-ee/merge_requests/8926

See merge request gitlab-org/gitlab-ce!24129

Adds the following initial CRUD endpoints for Clusters API:

- GET list of clusters
- GET specific cluster
- POST add existing cluster (mimic of "Add cluster")
- PUT update cluser
- DELETE destroy cluster

Closes https://gitlab.com/gitlab-org/gitlab-ce/issues/40473

Support new report syntax for common vulnerabilities (CE backport)

See merge request gitlab-org/gitlab-ce!23962

Update serverless extension to yml

See merge request gitlab-org/gitlab-ce!24163

Backport of https://gitlab.com/gitlab-org/gitlab-ee/merge_requests/8926

Fixes broken link

See merge request gitlab-org/gitlab-ce!24161

Fix deprecation: returning false in Active Record and Active Model callbacks

See merge request gitlab-org/gitlab-ce!24134

This MR also removes other reports and uses one common set of fixtures
for all test types.

Add project code view permissions

See merge request gitlab-org/gitlab-ce!24158

Don't ignore conflicts in db/schema.rb

See merge request gitlab-org/gitlab-ce!24152

Expose `CI_API_V4_URL` CI/CD variable

Closes #54621

See merge request gitlab-org/gitlab-ce!23936

Improve documentation about only except default values

Closes #55699

See merge request gitlab-org/gitlab-ce!24016

Include templates

Closes #53445

See merge request gitlab-org/gitlab-ce!23495

It's not entirely clear to me why we were ignoring db/schema.rb in the
first place, but this should not be done now that we merge CE into EE
automatically. Doing so can lead to changes being thrown away in the
event of a conflict, which can then lead to EE pipelines failing.

Don't ingore the `gitlab.pot` in ee_compat_check

See merge request gitlab-org/gitlab-ce!24151

Guarantee visually correct order of runners on the "Admin Area > Runners" page

Closes #49791

See merge request gitlab-org/gitlab-ce!21627

Documentation for Release page MVC

Closes #41766

See merge request gitlab-org/gitlab-ce!23901

If there are new strings in CE, they need to be added to EE
manually. As the `locale/gitlab.pot` file can't be merged
automatically during the upstream merge.

This rewrites a syntax to allow include of templates.
This also normalises the syntax used by include: feature

Support asset links creation in `POST /projects/:id/release`

See merge request gitlab-org/gitlab-ce!24056

Mark references to openshift template as deprecated

See merge request gitlab-org/gitlab-ce!24092

Update @gitlab/svgs to latest version

See merge request gitlab-org/gitlab-ce!24148

Fix coding style

Improve coding style

Decouple UPDATE and DELETE operations of asset links

Rename links_attributes to assets:links

Rename exposed param and updated spec

Fix spec for mysql unique validation failure