Resolve "Follow-up from "De-dup project tree entries": Remove feature flag"

Closes #196832

See merge request gitlab-org/gitlab!26575

Rename isLoading to isLoadingVulnerability

See merge request gitlab-org/gitlab!26375

Merge branch '15103-markup-tips-for-markdown-shown-while-editing-wiki-pages-in-other-formats' into 'master'

Markup tips for Markdown shown while editing wiki pages in other formats

See merge request gitlab-org/gitlab!25974

Remove 422 response body logging

See merge request gitlab-org/gitlab!26579

Remove merged branch names flag

Closes #201906

See merge request gitlab-org/gitlab!26005

Removing the feature flag for the merged branch names cache.

Validates only one service template per type

See merge request gitlab-org/gitlab!26380

This enforces that there is only one service template per type.
- Delete all the duplicated service template by type keeping the
  template with the lowest `id` because that is the service template
  used: https://gitlab.com/gitlab-org/gitlab/-/blob/v12.8.1-ee/app/controllers/admin/services_controller.rb#L37
- Add Rails validation
- Add unique index having database validation

Fix Rails bootup with invalid license

See merge request gitlab-org/gitlab!26466

Add missing object storage options & improve wording

See merge request gitlab-org/gitlab!26234

Update gitlab-labkit gem to v0.10.1

See merge request gitlab-org/gitlab!26572

The inconsistent structure of these responses was causing mapping
conflicts when these logs were sent to Elasticsearch. Apparently they
are not actively used, so can be removed.

Improving release versioning

Closes #194119

See merge request gitlab-org/gitlab!22398

Fix describe for notes_finder_spec.rb in ee/

See merge request gitlab-org/gitlab!26568

Audit number of required approvals changes at project level

See merge request gitlab-org/gitlab!26553

Add clusters polling mechanism

See merge request gitlab-org/gitlab!26469

Move linter invocations from CI job config to lint-doc.sh script

See merge request gitlab-org/gitlab!26379

Publish incident details and list to status page

See merge request gitlab-org/gitlab!26201

This commit implements two services which serialize issues and uploads
generated JSON to S3.

Defer loading of Sidekiq JSON formatter

See merge request gitlab-org/gitlab!26556

This provides better nesting for tracing.

It should be NotesFinder as that's the class we are testing. This
escaped detection by the FilePath cop because it was a string

Also, used described_class in the spec now.

Use owners_and_maintainers_without_invites method in NotificationService#mirror_was_hard_failed

See merge request gitlab-org/gitlab!26437

Fix incorrect parsing of audit event action

See merge request gitlab-org/gitlab!26426

This makes it easier to run linting locally in a single step.

Add docs for SAST in offline environments (no DinD)

See merge request gitlab-org/gitlab!25306

How to get SAST scanning working offline and in air gaps

Merge branch '209030-follow-up-from-resolve-ee-spec-lib-ee-gitlab-usage_data_spec-rb-failing' into 'master'

Update mock creation to use established style

Closes #209030

See merge request gitlab-org/gitlab!26549

Replace underscore/lodash in shared folder

Closes #196693

See merge request gitlab-org/gitlab!26521

Remove design_management_todos_api feature flag

See merge request gitlab-org/gitlab!26342

Require CS tool change if docs heading changed

See merge request gitlab-org/gitlab!26543