Removes database.yml.example

See merge request gitlab-org/gitlab-ce!29822

It's an empty file that was committed by accident on
https://gitlab.com/gitlab-org/gitlab-ce/merge_requests/28565

Cache feature flag names in Redis for a minute

Closes #63435

See merge request gitlab-org/gitlab-ce!29816

Adds docs for job collapsible sections

See merge request gitlab-org/gitlab-ce!29792

Update response code for container registry api bulk delete

Closes #62183

See merge request gitlab-org/gitlab-ce!29448

The bulk delete api endpoint for container registries can
only be called once per hour. If a user calls the endpoint more
than once per hour, they will now receive a 400 error with a
descriptive message.

Added IP restriction docs to groups

See merge request gitlab-org/gitlab-ce!29809

We saw on GitLab.com, the SQL query, `SELECT "features"."key" FROM
"features"` peaked at 2300 times per second.

We can quiet this down a bit by caching it in Redis for a minute.

Closes https://gitlab.com/gitlab-org/gitlab-ce/issues/63435

Revert concurrent pipeline creation for pipeline schedules

See merge request gitlab-org/gitlab-ce!29794

Add docs for Application Development Platform

See merge request gitlab-org/gitlab-ce!29765

Add Create Deep Dives to development docs

See merge request gitlab-org/gitlab-ce!29793

#57815 Changes for UltraAuth users

See merge request gitlab-org/gitlab-ce!28941

Disabled password authentication for the users registered using
omniauth-ultraauth strategy

Update dependency @gitlab/ui to ^4.3.0

See merge request gitlab-org/gitlab-ce!29800

See https://gitlab.com/gitlab-org/create-stage/issues/1 for more context

Use new Code Quality job definition in Auto DevOps

See merge request gitlab-org/gitlab-ce!29475

Look for new branches more carefully

Closes #59257

See merge request gitlab-org/gitlab-ce!29761

This commit reverts the previously introduced concurrent pipeline
schedule creation which was a viable solution for mitigating
inconsistent pipeline schedule by Sidekiq Memory Killer.

Rename TOKEN_TYPES to USER_TOKEN_TYPES

See merge request gitlab-org/gitlab-ce!29785

Move some quick actions feature specs to unit tests

Closes #60515

See merge request gitlab-org/gitlab-ce!28795

Move some feature specs for issues/merge requests quick actions
to unit tests. They are taking too long to run on the pipelines.

Backport approval MR rules report_type migration to CE

See merge request gitlab-org/gitlab-ce!29766

Add migrations needed to encrypt feature flags client tokens

See merge request gitlab-org/gitlab-ce!29320

Feature flag default on catfile cache

Closes gitaly#1712

See merge request gitlab-org/gitlab-ce!29556

Https many links in docs

See merge request gitlab-org/gitlab-ce!29776

Update list items to conform to documentation style guide

See merge request gitlab-org/gitlab-ce!29739