Add option to add README when creating a project

Closes #19468

See merge request gitlab-org/gitlab-ce!20335

Backport of EE changes: Allow Labels::FindOrCreateService to find ancestor group labels

Closes #4266

See merge request gitlab-org/gitlab-ce!20364

Resolve "Change new cluster page design to use tabs"

Closes #43446 and #46304

See merge request gitlab-org/gitlab-ce!18963

Fix 'only' regex for the review-docs job

See merge request gitlab-org/gitlab-ce!20367

Enable frozen string in apps/validators/*.rb

See merge request gitlab-org/gitlab-ce!20220

Revert "Merge branch '44726-cancel_lease_upon_completion_in_project_cache_worker' into 'master'"

See merge request gitlab-org/gitlab-ce!20366

Port of Todos for epics

See merge request gitlab-org/gitlab-ce!19908

Allow Labels::FindOrCreateService to find ancestor group labels
Add authentication check on API endpoint
Update flayignore

Update Workhorse to v5.0.0

See merge request gitlab-org/gitlab-ce!20370

This reverts merge request !20103

Port of EE-translations

See merge request gitlab-org/gitlab-ce!20362

Remove more Gitaly feature flags

Closes gitaly#329, gitaly#320, gitaly#323, and gitaly#328

See merge request gitlab-org/gitlab-ce!20343

Remove the use of `is_shared` of `Ci::Runner`

See merge request gitlab-org/gitlab-ce!20172

Fix flaky spec for merge request lists

See merge request gitlab-org/gitlab-ce!20316

Use serialize_keys as part of highlight diff cache key

Closes #48801

See merge request gitlab-org/gitlab-ce!20360

Add workhorse authorize method for project/group uploads

Closes #44663

See merge request gitlab-org/gitlab-ce!19717

Improve error message across IDE store modules

Closes #47323

See merge request gitlab-org/gitlab-ce!20272

New Crowdin translations

See merge request gitlab-org/gitlab-ee!6299

Bump Carrierwave gem to 1.2.3 (which contains the monkey patch for memory consumption)

Closes #46182

See merge request gitlab-org/gitlab-ce!20287

This assures that old cache is not used if we change format of
cached data.

Add pipeline lists to graphql

Closes #48469

See merge request gitlab-org/gitlab-ce!20249

Auto DevOps QA: Prefer gcloud credentials from env

See merge request gitlab-org/gitlab-ce!20338

Resolve "Inconsistent job list in job details view"

Closes #47040

See merge request gitlab-org/gitlab-ce!20243

Fix typo and formatting

See merge request gitlab-org/gitlab-ce!20352

This adds Keyset pagination to GraphQL lists. PoC for that is
pipelines on merge requests and projects.

When paginating a list, the base-64 encoded id of the ordering
field (in most cases the primary key) can be passed in the `before` or
`after` GraphQL argument.

New jobs sorting

See merge request gitlab-org/gitlab-ce!20337

update html-pipeline 2.7.1 -> 2.8

Closes #48571

See merge request gitlab-org/gitlab-ce!20348

Make more Gitaly features mandatory

Closes gitaly#949, gitaly#911, gitaly#820, gitaly#514, gitaly#551, gitaly#321, and gitaly#565

See merge request gitlab-org/gitlab-ce!20339

Speed up spec/tasks/gitlab/git_rake_spec.rb

See merge request gitlab-org/gitlab-ce!20349