Merge branch '3464077-remove-or-demote' into '2.0.x'

project_browser.install

project_browser.module

project_browser.services.yml

src/Commands/UpdateFixtureCommands.php

src/Controller/InstallerController.php

src/Event/UpdateFixtureEvent.php

src/EventSubscriber/UpdateFixtureSubscriber.php

src/ProjectBrowserFixtureHelper.php

tests/fixtures/field_collection_item.json

tests/fixtures/file.json

tests/fixtures/projects.json

tests/fixtures/releases.json

tests/fixtures/term.json

...modules/project_browser_test/project_browser_test.install

...es/project_browser_test/src/DrupalOrgClientMiddleware.php

...rc/Plugin/ProjectBrowserSource/ProjectBrowserTestMock.php

tests/src/Functional/InstallerControllerTest.php

tests/src/Functional/ProjectBrowserMenuTabsTest.php

tests/src/Functional/ProjectBrowserTest.php

...rc/FunctionalJavascript/ProjectBrowserInstallerUiTest.php