Add Let's Encrypt application settings

See merge request gitlab-org/gitlab-ee!11588

Geo: Document how our Git push proxy works

Closes #10579

See merge request gitlab-org/gitlab-ee!10518

Deployment Chat Notifications

See merge request gitlab-org/gitlab-ce!27338

This enables sending a chat message to Slack or Mattermost
  upon a successful, failed, or canceled deployment

Port of issue-42692-deployment-chat-notifications to EE

See merge request gitlab-org/gitlab-ee!11693

This enables sending a chat message to Slack or Mattermost
  upon a successful, failed, or canceled deployment
Port of merge request gitlab-org/gitlab-ce!27338

Add rollout type to variables list.

See merge request gitlab-org/gitlab-ce!27757

Prevent text selection when dragging in issue boards

Closes #59378

See merge request gitlab-org/gitlab-ce!27724

Documented the Admin Area's `Dashboard`

See merge request gitlab-org/gitlab-ce!27445

Part of issue 57874

Ports https://gitlab.com/gitlab-org/gitlab-ce/merge_requests/27445 to EE

See merge request gitlab-org/gitlab-ee!11463

Part of issue 57874

Update GitLab Runner Helm Chart to 0.4.1/11.10.1

See merge request gitlab-org/gitlab-ce!27627

List group name restrictions

Closes #60341

See merge request gitlab-org/gitlab-ce!27609

EE port: List group name restrictions

See merge request gitlab-org/gitlab-ee!11466

CI: Fix upload of screenshots in gitlab:ui:visual

See merge request gitlab-org/gitlab-ce!27758

Before this commit uploading of screenshots failed with

    WARNING: tests/__image_snapshots__/: no matching files
    ERROR: No files to upload
    ERROR: Job failed: exit code 1

After this commit it works again

    Uploading artifacts...
    gitlab-ui/tests/__image_snapshots__/: found 90 matching files
    Uploading artifacts to coordinator... ok

Update NFS docs to reflect new Rugged backports

See merge request gitlab-org/gitlab-ce!27632

Add ProjectMetricsDashboardSetting model and table

See merge request gitlab-org/gitlab-ce!27550

This new table will be used to store the external_dashboard_url which
allows users to add a link to their external dashboards (ex Grafana)
to the Metrics dashboard.

Add ProjectMetricsDashboardSetting model and table

See merge request gitlab-org/gitlab-ee!11387

This new table will be used to store the external_dashboard_url which
allows users to add a link to their external dashboards (ex Grafana)
to the Metrics dashboard.

Merge branch '10999-geo-implement-selective-sync-support-for-the-attachments-fdw-queries' into 'master'

Geo - Implement selective sync support for the FDW queries to count attachments

See merge request gitlab-org/gitlab-ee!11518

This changes fixes a bunch of CodeReuse/ActiveRecord violations and make
the queries much easier to understand.

We backported the Rugged implementations of a Git access to older
versions of GitLab. Update the documentation to reflect this.

Relates to:

* https://gitlab.com/gitlab-com/www-gitlab-com/merge_requests/21833/diffs
* https://gitlab.com/gitlab-org/release/tasks/issues/749

Backport Environments Dashboard SCSS Changes

See merge request gitlab-org/gitlab-ce!27498

Frontend for Cross-project environments dashboard MVC

See merge request gitlab-org/gitlab-ee!10252

Move all static fixtures to static directory

See merge request gitlab-org/gitlab-ce!27668

Move all static frontend fixtures to static directory (EE-port)

See merge request gitlab-org/gitlab-ee!11585

Add ZAP Full Scan support to DAST vendored template

See merge request gitlab-org/gitlab-ce!27513