Merge branch 'complete-metadata-rspec-tests-doc' into 'master'

.gitlab/ci/rules.gitlab-ci.yml

.nvmrc

.rubocop.yml

.rubocop_todo.yml

CHANGELOG-EE.md

CHANGELOG.md

GITALY_SERVER_VERSION

Gemfile

Gemfile.lock

...ssets/javascripts/admin/dev_ops_report/devops_adoption.js

...ts_settings/components/alert_settings_form_help_block.vue

...s/alerts_settings/components/alerts_integrations_list.vue

...s/alerts_settings/components/alerts_settings_form_new.vue

...s/alerts_settings/components/alerts_settings_form_old.vue

...ts/alerts_settings/components/alerts_settings_wrapper.vue

app/assets/javascripts/alerts_settings/constants.js

...raphql/mutations/create_http_integration.mutation.graphql

.../mutations/create_prometheus_integration.mutation.graphql

app/assets/javascripts/alerts_settings/index.js

...analytics/product_analytics/components/activity_chart.vue