The use of `table_exists?` in the opclasses support initializer triggers
a deprecation warning. Using `data_source_exists?` removes this
deprecation.

Extending from ActiveRecord::Migration is deprecated, but was still used
in a bunch of places.

Resolve "Empty state shown when the group security dashboard request fails"

Closes #8704

See merge request gitlab-org/gitlab-ee!8703

Add basic implementation of CI/CD bridge job

See merge request gitlab-org/gitlab-ce!23730

Wait for push before trying to create a new MR

See merge request gitlab-org/gitlab-ce!23745

Fix creation query for pools repository

See merge request gitlab-org/gitlab-ce!23729

Send a notification email on mirror update errors

Closes #54650

See merge request gitlab-org/gitlab-ce!23595

[EE] Send a notification email on mirror update errors

See merge request gitlab-org/gitlab-ee!8801

Update automatic merging documentation

See merge request gitlab-org/gitlab-ce!23689

Specify sass ~> 3.5 in Gemfile

See merge request gitlab-org/gitlab-ce!23716

Docs: Add spaces before code snippets in vuex.md

See merge request gitlab-org/gitlab-ce!23737

Fix issuables sort direction button parameters

Closes #55133

See merge request gitlab-org/gitlab-ce!23744

Add license management reports and parser

See merge request gitlab-org/gitlab-ee!8032

Remove duplicated smartcard login button

See merge request gitlab-org/gitlab-ee!8793

Resolve "Follow-up from "Web IDE terminal documentation""

Closes #8812

See merge request gitlab-org/gitlab-ee!8805

QA: Try to add .netrc credentials if needed

Closes #8740

See merge request gitlab-org/gitlab-ee!8721

Add a NullNotificationService

See merge request gitlab-org/gitlab-ee!8743

Documentation: Content corrections for reCAPTCHA docs

See merge request gitlab-org/gitlab-ce!23667

add information about how merge requests related to forks are processed

See merge request gitlab-org/gitlab-ce!23764

Add docs to help choose the best GitLab installation method

Closes #54308

See merge request gitlab-org/gitlab-ce!23254

Add docs to help choose the best GitLab installation method

See merge request gitlab-org/gitlab-ee!8646

Add hyperlinks to ci yaml documentation

See merge request gitlab-org/gitlab-ce!23674

Update README.md

See merge request gitlab-org/gitlab-ce!23672

Remove incorrect example Rack Attack configuration

Closes #54983

See merge request gitlab-org/gitlab-ce!23742

Make quick-action notes complete sentences

See merge request gitlab-org/gitlab-ee!8740

the added note describes code from https://gitlab.com/gitlab-org/gitlab-ee/blob/master/lib/gitlab/import_export/merge_request_parser.rb#L15

Fix ConstantName rubocop offense

See merge request gitlab-org/gitlab-ce!23677

This adds a backend parsing of license management reports.
The reports are parsed async with ReactiveCache,
compared and returned via API for Frontend.

Fixed emoji awards not being added to notes

Closes #55141

See merge request gitlab-org/gitlab-ce!23720

Increase the debounce of Issue Suggestions

See merge request gitlab-org/gitlab-ce!23721