Automatic merge of gitlab-org/gitlab master

...e_shared/components/deprecated_project_avatar/default.vue

...vue_shared/components/deprecated_project_avatar/image.vue

app/assets/javascripts/vue_shared/components/identicon.vue

..._shared/components/project_selector/project_list_item.vue

doc/install/installation.md

doc/user/project/merge_requests/index.md

doc/user/project/quick_actions.md

locale/gitlab.pot

...ue_shared/components/__snapshots__/identicon_spec.js.snap

spec/frontend/vue_shared/components/identicon_spec.js

...tend/vue_shared/components/project_avatar/default_spec.js

...red/components/project_selector/project_list_item_spec.js