Due to migration to GlDropdown.

Also, migrate `protected_environment_edit` to Vue. This is  done
for easier communication between the components. Besides the
migration would eventually happen anyways.

Part of https://gitlab.com/gitlab-org/gitlab/-/issues/284784.

Changelog: changed
EE: true

Move pipeline hook logic from model to a service

See merge request gitlab-org/gitlab!71757

Use Gitlab::FeatureCategories in specs

See merge request gitlab-org/gitlab!71951

Mention DevTools to help review UI changes

See merge request gitlab-org/gitlab!71636

Fix misplaced secure product metrics definitions

See merge request gitlab-org/gitlab!71799

Fix incorrect cycle time metric definition

See merge request gitlab-org/gitlab!71733

Upgrade to test-prof 1.0.7

See merge request gitlab-org/gitlab!71893

Remove feature flag disable_joins_upstream_downstream_projects

See merge request gitlab-org/gitlab!71968

Gracefully track errors raised by sending CI minutes notifications

See merge request gitlab-org/gitlab!71815

Use pessimistic locking when accessing Terraform state

See merge request gitlab-org/gitlab!71873

[VSA] Update cycle time UI text

See merge request gitlab-org/gitlab!71823

Refactor browser per widget to extension

See merge request gitlab-org/gitlab!71330

Use prefix js- to class names

See merge request gitlab-org/gitlab!71546

Split Snowplow docs' headers to make important content more accessible

See merge request gitlab-org/gitlab!71608

Fixes tooltip label for load performance in widget extension

See merge request gitlab-org/gitlab!71942

Merge branch '299509-improve-the-location-of-where-the-runner-registration-information-lives' into 'master'

Remove redundant help text from runners

See merge request gitlab-org/gitlab!71915

Remove sync_namespace_name_with_cdot flag

See merge request gitlab-org/gitlab!71763

Doc Consistency: ci/variables

See merge request gitlab-org/gitlab!69785

Doc Consistency: ci

See merge request gitlab-org/gitlab!69787

Doc Consistency: ci/pipelines

See merge request gitlab-org/gitlab!69779

Remove redundant includes in end to end tests

See merge request gitlab-org/gitlab!69117

Migrate milestone filter Bootstrap tabs to GlTabs

See merge request gitlab-org/gitlab!71710

Use account id as part of the namespace to init Zuora iframe

See merge request gitlab-org/gitlab!71735

Rename utils/worker to tree_worker_utils

See merge request gitlab-org/gitlab!63561

Vue Shared - Dropdown Keyboard Navigation

See merge request gitlab-org/gitlab!71206

Add local time to user popover

See merge request gitlab-org/gitlab!70806

Fix mark snippet as spam button

See merge request gitlab-org/gitlab!71070

Don't try to run database helpers as specs

See merge request gitlab-org/gitlab!71929

Refactor: moving and renaming timeSummaryForPathNavigation

See merge request gitlab-org/gitlab!71895