Similar to https://gitlab.com/gitlab-org/gitlab-ce/merge_requests/31834,
we see that in https://gitlab.com/gitlab-org/gitlab-ce/issues/65957
there can be hundreds, even thousands, of Gitaly requests in the
`/api/:version/projects/:id/merge_requests/:noteable_id/notes` endpoint.

Previously, the API to retrieve notes generated hundreds of Gitaly calls
to determine whether a system note should be shown to the user. It did
this by:

1. Rendering the Markdown
2. Extracting cross-references from the Markdown
3. Issuing a Gitaly `FindCommit` RPC for every reference to validate
that the commit exists.

The last step is unnecessary because we don't need to display a commit
if the user doesn't have access to the project in the first place.
`RendersNotes#prepare_notes_for_rendering` is already used in
`MergeRequestsController`, which is why we don't see N+1 Gitaly calls
there. We use it here to optimize the note redaction process.

Update QA readme to note that Chrome/Chromium is required

See merge request gitlab-org/gitlab-ce!32035

Fix "ERR value is not an integer or out of range" errors

Closes #66449

See merge request gitlab-org/gitlab-ce!32126

Expose namespace storage statistics with GraphQL

See merge request gitlab-org/gitlab-ce!32012

Root namespaces have storage statistics.
This commit allows namespace owners to get those stats via GraphQL
queries like the following one

{
  namespace(fullPath: "a_namespace_path") {
    rootStorageStatistics {
      storageSize
      repositorySize
      lfsObjectsSize
      buildArtifactsSize
      packagesSize
      wikiSize
    }
  }
}

[CE] Enable CSP in dev and CI

See merge request gitlab-org/gitlab-ce!31800

`ActiveSupport::Cache::RedisCacheStore` is not compatible with the
version of Rack Attack we are using (v4.4.1) per
https://github.com/kickstarter/rack-attack/issues/281. Users that had
rate limits enabled might see `Redis::CommandError: ERR value is not an
integer or out of range` because the `raw` parameter wasn't passed along
properly. As a result, the Rack Attack entry would be stored as an
`ActiveSupport::Cache::Entry` instead of a raw string holding an integer
value.

Let's partially revert the change in
https://gitlab.com/gitlab-org/gitlab-ce/merge_requests/30966 to use the
original cache store until we can update to Rack Attack v5.2.3 that has
support for `ActiveSupport::Cache::RedisCacheStore` via
https://github.com/kickstarter/rack-attack/pull/350.

Closes https://gitlab.com/gitlab-org/gitlab-ce/issues/66449

This enables CSP in dev and CI

Fix typo in Content Security Policy example

See merge request gitlab-org/gitlab-ce!32103

Add core badges to admin_area docs

See merge request gitlab-org/gitlab-ce!31746

Some admin_area docs were missing the Core Only badge

Document Gitaly CLI connection troubleshooting

See merge request gitlab-org/gitlab-ce!32079

Provide documentation around possible reasons and solutions to CLI tools
not being able to connect to Gitaly nodes.

CE: Archiving a project should create an audit event

See merge request gitlab-org/gitlab-ce!32039

Make it clear that it's ok to ignore Danger's 'no changelog' warning

See merge request gitlab-org/gitlab-ce!32088

Add `searchBy` helper & `SidebarItemEpicsSelect` placeholder component

See merge request gitlab-org/gitlab-ce!31859

CE Port: Support restricting group access by multiple IP subnets

See merge request gitlab-org/gitlab-ce!31959

Add missing content from debug's kubectl cheat sheet

See merge request gitlab-org/gitlab-ce!31971

Backport of EE MR

See merge request gitlab-org/gitlab-ce!31903

Issue #39099: Add links for latest pipelines

Closes #50499

See merge request gitlab-org/gitlab-ce!20865

Make it clear that the artifacts count as uncompressed

See merge request gitlab-org/gitlab-ce!32045

Log time spent on CPU to sidekiq.log

Closes #65390

See merge request gitlab-org/gitlab-ce!31866

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

Avoid conflicts between ArchiveTracesCronWorker and ArchiveTraceWorker

See merge request gitlab-org/gitlab-ce!31376

Update dependency @gitlab/ui to v5.18.0

See merge request gitlab-org/gitlab-ce!31872

Remove mergeTrain from FE since it's used only in EE

See merge request gitlab-org/gitlab-ce!32068

- Adds `searchBy` util in common utils
- Adds placeholder `SidebarItemEpicsSelect`

feat: smime signed notification emails

See merge request gitlab-org/gitlab-ce!30644

Adds new DB case study for namespaces statistics

See merge request gitlab-org/gitlab-ce!31547

Includes a new database case study about all the approaches taken to
store and update the namespace statistics in a performan manner
performant approach to store and update the namespaces statistics

Add docs exceptions to two pipeline jobs

See merge request gitlab-org/gitlab-ce!32082

Improve doc about bridge job limitations

See merge request gitlab-org/gitlab-ce!32058