Send email to EE admins on reaching active user count threshold

Closes #230608

See merge request gitlab-org/gitlab!42453

LicenseMailer is a mailer for sending
emails related to licenses, for example
sending an email when EE instance
is approaching the active user count threshold.

docs: remove horizontal scrollbar from Java codecoverage examples

See merge request gitlab-org/gitlab!43996

This removes the horizontal scrollbar in the java examples.

Update vale in docs-lint to 2.4.0 image

See merge request gitlab-org/gitlab!44108

Enable store_ci_pipeline_counts_by_status FF

Closes #254721

See merge request gitlab-org/gitlab!43857

Expose file path from XML Test Report artifact

See merge request gitlab-org/gitlab!43594

Extend exception about chunk data not fulfilled in a bucket

See merge request gitlab-org/gitlab!44007

Add group and issue for multiline comments FF

See merge request gitlab-org/gitlab!44086

Add API Fuzzing plan limits db column

See merge request gitlab-org/gitlab!43934

Includes a docs change to test image

Add :requires_admin tag to skip ff test in production

Closes #260283

See merge request gitlab-org/gitlab!44103

Put issue notes behind startupjs

See merge request gitlab-org/gitlab!43444

Convert Jest tests to use VTU in 'spec/frontend/issuable'

See merge request gitlab-org/gitlab!43502

Clean up yaml code block formatting in monitor/configure/ecosystem docs

See merge request gitlab-org/gitlab!43511

Merge branch '223692-show-the-final-service-desk-custom-address-in-service-desk-settings-2' into 'master'

Updated service desk settings

See merge request gitlab-org/gitlab!43440

Group SAML SSO Specs: Use a new user for the tests instead of root

Closes #254376

See merge request gitlab-org/gitlab!43832

Fix spacing, indentation, comments, etc

Remove Gitlab::Database.postgresql_9_or_less? method

See merge request gitlab-org/gitlab!43564

We support version 11 as a minimum, so we don't need this any more.

Remove ancient geo redirects

See merge request gitlab-org/gitlab!44101

Doc: Remove use of "incredibly" in docs

See merge request gitlab-org/gitlab!44066

See https://gitlab.com/gitlab-org/gitlab/-/issues/260283 for details

As part of docs site improvements, we can now
delete these

Removing notes from environments doc

See merge request gitlab-org/gitlab!43632

Revert "Merge branch 'ntepluhina-graphql-startup-js-2' into 'master'"

See merge request gitlab-org/gitlab!44095

Improve design for vulnerability details

See merge request gitlab-org/gitlab!43274

Initial SSE merge request title/description meta

See merge request gitlab-org/gitlab!43909

Remove bootstrap usage from merge_requests/invalid

Closes #233674

See merge request gitlab-org/gitlab!43439

- app/views/projects/merge_requests/invalid.html.haml
- update text color

Parse new scan object

See merge request gitlab-org/gitlab!43736

Replace fa-warning with GitLab SVG icon in VSA limit warning

See merge request gitlab-org/gitlab!43994

This reverts merge request !36324

Log `used_fields` information on GraphQL API

See merge request gitlab-org/gitlab!42820

Fix Jira DVCS user avatar path

See merge request gitlab-org/gitlab!43563

Add missing spec for the GitHub API user entity.