Remove dast_sharded_cloned_ci_builds feature flag

See merge request gitlab-org/gitlab!80133

- Removes feature flag
- Clean up feature flag references
- Extracts database association service

Changelog: changed
MR: https://gitlab.com/gitlab-org/gitlab/-/merge_requests/80133
EE: true

Documentation: Add common Praefect DB load to docs

See merge request gitlab-org/gitlab!80630

There are two common reasons for the Praefect DB to experience high CPU
load, but currently we don't have these documented.

Doc Consistency: user/project/repository - gitaly

See merge request gitlab-org/gitlab!80669

Add missing and remove inline tier badge

Update PgBouncer section to make it easier to understand

See merge request gitlab-org/gitlab!80531

NULL safe integrations type maintainance trigger

See merge request gitlab-org/gitlab!80537

Extract backup tasks

See merge request gitlab-org/gitlab!79809

Refactor Security Config page after backend has been unified for CE & EE

See merge request gitlab-org/gitlab!79520

This commit refactors the security configuration
data accumulation to be consistent across CE & EE.

Remove inconsistent use of env prefix in maven packages doc

See merge request gitlab-org/gitlab!80591

Add Content Editor related shortcuts

See merge request gitlab-org/gitlab!80764

Markdown should go to the Markdown page; we should stick to just
keyboard shortcuts on this page.

Adds spec for EE project integration settings form

See merge request gitlab-org/gitlab!80673

This change adds a spec for EE project integrations
(Currently Github)

Bump regexp_parser version to 2.2.1

See merge request gitlab-org/gitlab!80544

Move findings deletion into a worker using pub-sub system for `Ci::JobArtifacts::DestroyBatchService`

See merge request gitlab-org/gitlab!80096

Remove api_caching_rate_limit_branches feature flag

See merge request gitlab-org/gitlab!80613

Deprecate retire.js analyzer

See merge request gitlab-org/gitlab!80501

Docs note for enforced auth checks on media uploads

See merge request gitlab-org/gitlab!80745

Enable corpus management for self-managed installs

See merge request gitlab-org/gitlab!80570

Update Gitaly version

See merge request gitlab-org/gitlab!80754

Update dependency @gitlab/ui to v36.6.0

See merge request gitlab-org/gitlab!80683

Switch to GlTabs for markdown header component

See merge request gitlab-org/gitlab!80153

MR:
Changelog: changed

Add backend code to support storage_enforcement_banner

See merge request gitlab-org/gitlab!79624

Move registry import API calls outside of transaction

See merge request gitlab-org/gitlab!80509

Turn off transactions for callbacks that make API
calls to the registry during the container_repository
import transitions.

Enable admin runner read-only runner view

See merge request gitlab-org/gitlab!80726

Changelog: performance

Document kubectl TLS requirement

See merge request gitlab-org/gitlab!80571

Fix uninitialized constant error in test

See merge request gitlab-org/gitlab!80694