Adds issue template for feature flag roll out

See merge request gitlab-org/gitlab-ce!28751

Remove `approval_rules` feature flag and remove obsolete approvals implementation

See merge request gitlab-org/gitlab-ce!28979

Update maven.gitlab-ci.yml for GitLab Package

See merge request gitlab-org/gitlab-ce!28796

Combine Running Gitaly on its own server details

See merge request gitlab-org/gitlab-ce!29094

Cancel auto merge when merge request is closed

See merge request gitlab-org/gitlab-ce!28782

Resolve "Use GitLab serverless with existing Knative installation"

Closes #58941

See merge request gitlab-org/gitlab-ce!27173

Introduce sidekiq worker for auto merge process

See merge request gitlab-org/gitlab-ce!28780

Extract strings to gettext

Closes #61960

See merge request gitlab-org/gitlab-ce!28489

There are no namespaces in the strings so we don't need those

De-quarantine e2e test for issue suggestions

Closes gitlab-org/quality/staging#53

See merge request gitlab-org/gitlab-ce!29046

Ignore Puma empty worker stats

See merge request gitlab-org/gitlab-ce!28932

In some cases (during worker start) it's possible that
Puma.stats returns an empty hash for worker's last status. In
that case we just skip sampling of the worker until these
stats are available.

Resolve "Docs feedback: unstage page needs clarification"

Closes #62618

See merge request gitlab-org/gitlab-ce!29113

Fixes some Phabricator import docs problems

See merge request gitlab-org/gitlab-ce!29114

Make pipeline schedule worker resilient

Closes gitlab-com/gl-infra/production#805 and #61955

See merge request gitlab-org/gitlab-ce!28407

Resolve EE/CE differences in app/views/profiles/keys

See merge request gitlab-org/gitlab-ce!28900

Add expand/collapse button to operation settings

Closes #61511

See merge request gitlab-org/gitlab-ce!28840

Add ability to expand/collapse operation settings

Edited `Third Party Offers` for SSOT guidelines

See merge request gitlab-org/gitlab-ce!29103

Use rems instead of px to set body font-size

Closes #61640

See merge request gitlab-org/gitlab-ce!28544

Add documentation about AWS ELB not supporting web sockets

See merge request gitlab-org/gitlab-ce!28030

As we have a central domain for auto merge process today,
we should use a single worker for any auto merge process.

We should cancel auto merge when merge request is closed.

Add CI quickstart updates

See merge request gitlab-org/gitlab-ce!24702

Document the Admin Area's *Gitaly Servers* page

See merge request gitlab-org/gitlab-ce!28987

VERSION file should be 12.0, not 11.12

See merge request gitlab-org/gitlab-ce!29092

Edited signup restrictions for SSOT guidelines

See merge request gitlab-org/gitlab-ce!29049

Fix markdown parsing for doc page

See merge request gitlab-org/gitlab-ce!29056