Put deprecated serverless features behind feature flag

See merge request gitlab-org/gitlab!81493

The flag is enabled by default, but can be switched off immediately to
hide the feature.

See https://gitlab.com/gitlab-org/gitlab/-/issues/352753

Changelog: changed

Update Gitaly version

See merge request gitlab-org/gitlab!81952

Refactor Puma settings page to conform to CTRT

See merge request gitlab-org/gitlab!81129

Add BlocksUnsafeSerialization to Project

See merge request gitlab-org/gitlab!81900

This also changes BlocksUnsafeSerialization to allow serialization
if the `only` / `unsafe: true` options are given

Changelog: changed

Add instance user types

See merge request gitlab-org/gitlab!81488

Remove ci_pipelines -> external_pull_requests LFK

See merge request gitlab-org/gitlab!81866

Refactor handling of allow_possible_spam flag

See merge request gitlab-org/gitlab!81078

Docs fix external links

See merge request gitlab-org/gitlab!81566

Use primary variant for new release button

See merge request gitlab-org/gitlab!81582

Remove deprecated package application setting

See merge request gitlab-org/gitlab!80842

Add GraphQL Todoable interface for to-do targets

See merge request gitlab-org/gitlab!73603

This adds a GraphQL interface called Todoable that is implemented by all
types that can be a target of a to-do item. These are:

- Issue
- Merge request
- Commit
- Epic
- Alert
- Design

This also adds a BatchCommitLoader to load commits of GraphQL objects at
a performance of O(1).

Changelog: added

Cleaned up project releases docs

See merge request gitlab-org/gitlab!81864

Add error for cross pipeline dependencies

See merge request gitlab-org/gitlab!80513

Update QA Failure template

See merge request gitlab-org/gitlab!81937

Update Total time chart section in VSA-groups

See merge request gitlab-org/gitlab!81807

Merge branch '344177-replace-data-confirm-modals-with-glmodal-in-app-views-admin-application_settings-appearances' into 'master'

Replace `data-confirm` modals with `GlModal` in `app/views/admin/application_settings/appearances/_form.html.haml`

See merge request gitlab-org/gitlab!81878

Fix deprecation warning for kwargs

See merge request gitlab-org/gitlab!81931

Fix header ordering in ee_features

See merge request gitlab-org/gitlab!81852

Remove double slashes from urls generated by PseudonymizationHelper

See merge request gitlab-org/gitlab!81872

Cleanup back-filling CI queuing tables migration

See merge request gitlab-org/gitlab!81602

Filter a pipeline by author

See merge request gitlab-org/gitlab!79470

Remove max_package_files_for_package_destruction from
application_settings.

Changelog: other

feat: Update SECURE_ANALYZER_PREFIX in all Sec Section templates

See merge request gitlab-org/gitlab!80342

Resolve "Increase jitter for AdjournedGroupDeletionWorker"

See merge request gitlab-org/gitlab!81796

Adjust cron schedule for AdjournedProjectsDeletionCronWorker

See merge request gitlab-org/gitlab!81521

Add integration scenarios

See merge request gitlab-org/gitlab!81245

Edited for style and consistency

See merge request gitlab-org/gitlab!81496

Related to: https://gitlab.com/gitlab-org/technical-writing/-/issues/528
I edited this page and tried to
clarify the purpose

CTRT Revamp of CI/CD schedules documentation

See merge request gitlab-org/gitlab!81749