The events footer <-> header don't work yet, including all related tests
but all three components are now in a root component.

Add Ubuntu 20.04 to the supported versions

Closes #238541

See merge request gitlab-org/gitlab!40092

Minor fix to text in table

See merge request gitlab-org/gitlab!40054

Add JWT signing for internal cluster agent API

See merge request gitlab-org/gitlab!39781

This ensures only gitlab-kas can make requests to the internal API,
which is necessary as sensitive info is returned in response.

Update instances where we explicitly want to use the top-level
::Clusters module

Remove the memoization of source_branch_exists on merge request

See merge request gitlab-org/gitlab!39944

Update needs limit for gitlab.com

See merge request gitlab-org/gitlab!40081

Fix Ruby 2.7 deprecation warning in JSON module

See merge request gitlab-org/gitlab!40066

Merge branch '229297-migrate-bootstrap-button-to-gitlab-ui-glbutton-in-ee-app-assets-javascripts' into 'master'

Replace Bootstrap Button & LoadingButton w/ GitLab UI GlButton in vulnerability_action_buttons.vue

See merge request gitlab-org/gitlab!39651

Support private token headers for composer

Closes #232636

See merge request gitlab-org/gitlab!38641

Cluster Agent delete mutation for GraphQl

See merge request gitlab-org/gitlab!38622

Added cluster agent delete mutation fo graphql
Added cluster agent delete service
Updated associated tests

Change to snake case in EnvironmentsHelper [RUN AS-IF-FOSS]

Closes #225318

See merge request gitlab-org/gitlab!36786

Apply sizing to configuration variables

See merge request gitlab-org/gitlab!40002

Update Gitaly version

See merge request gitlab-org/gitlab!40086

Replace backstage with tooling in the issue workflow documentation

See merge request gitlab-org/gitlab!39840

Extend composer specs to test for auth token
from private token param

Reduce database manipulation in service spec

See merge request gitlab-org/gitlab!39973

Fix example within file_hooks documentation

Closes #217984

See merge request gitlab-org/gitlab!40071

Process for Deprecation of GraphQL fields/tables

See merge request gitlab-org/gitlab!39584

Add missing URL to snippet feature flag yml

See merge request gitlab-org/gitlab!39997

Update rbtrace to v0.4.14

See merge request gitlab-org/gitlab!40049

Fix listing of project members

See merge request gitlab-org/gitlab!39444

Project member resolver may return both ProjectMember and GroupMember
members - the old :read_project permission was not accurate and didn't
work fo GroupMember

FE is normaly expects camel cased data, and has better tooling to
accept snake case data and convert it to camel case