Backport EE changes made to the scripts/ directory

See merge request gitlab-org/gitlab-ce!31015

Update reference architecture docs to remove status

Closes gitlab-org/quality/performance#14

See merge request gitlab-org/gitlab-ce!31077

CE: Add project download & project export audit event

See merge request gitlab-org/gitlab-ce!31103

Further remove `if postgresql?` branches

Closes #65054

See merge request gitlab-org/gitlab-ce!31102

This backport changes made by EE to the files in the scripts/ directory.
This comes with a few changes to some scripts to make them work in the
single codebase setup.

Adds direct monitoring for sidekiq metrics

Closes #56752

See merge request gitlab-org/gitlab-ce!30916

This adds diirect monitoring for sidekiq metrics. This is done via
sidekiq middleware and a sampler to pull from sidekiqs api.

Expose git blame in api

Closes #51345

See merge request gitlab-org/gitlab-ce!30675

Closes https://gitlab.com/gitlab-org/gitlab-ce/issues/65054

We dropped MySQL support and a lot of mysql specific code has been
removed in https://gitlab.com/gitlab-org/gitlab-ce/merge_requests/29608.

This comes in from the other direction and removes any `if postgresql?`
branches.

Update IP access restriction docs

See merge request gitlab-org/gitlab-ce!31189

Fix deploy example and other fixes

Closes #65092

See merge request gitlab-org/gitlab-ce!31225

Categorize autodevops variables

Closes #59817

See merge request gitlab-org/gitlab-ce!31226

Added navbar searches usage ping counter

Closes #63887

See merge request gitlab-org/gitlab-ce!30953

Added usage ping counter when the user makes
a search through the navbar search component.

Separate private methods under the keyword on projects controller

See merge request gitlab-org/gitlab-ce!31223

Move create group with mattermost spec to correct dir

See merge request gitlab-org/gitlab-ce!31173

Add frozen_string_literal to spec/features

See merge request gitlab-org/gitlab-ce!31131

Allow specifying variables when running manual jobs

Closes #24935

See merge request gitlab-org/gitlab-ce!30485

Adds Job specific variables to facilitate specifying variables when
running manual jobs.

Merge branch '61787-the-colour-selector-for-broadcast-messages-should-provide-a-few-default-options-with-descriptive-labels-like-red-green-blue' into 'master'

Resolve "Add color selector for broadcast messages"

Closes #61787

See merge request gitlab-org/gitlab-ce!30988

Add relevant Kubernetes page

See merge request gitlab-org/gitlab-ce!30480

Docs: adere ssot

See merge request gitlab-org/gitlab-ce!31182

Docs: Pipelines - ssot

See merge request gitlab-org/gitlab-ce!31179

Docs: Releases - ssot

See merge request gitlab-org/gitlab-ce!31180

Docs: milestones - ssot

See merge request gitlab-org/gitlab-ce!31175

Remove unused Clusters::RefreshService

See merge request gitlab-org/gitlab-ce!31227

Also removes all logic from ClusterConfigureWorker
and ClusterProjectConfigureWorker, which are also
no longer used.

Revert "Merge branch '52123-issuable-actions-notesfinder-pderichs' into 'master'"

Closes gitlab-ee#13096

See merge request gitlab-org/gitlab-ce!31216

This reverts merge request !29733

CE backport for changes in EE MR 14746

See merge request gitlab-org/gitlab-ce!30944

All the changes done to files that are also inside CE and need to be
ported.