Merge branch 'master' into installation_privacy_options

LEGALNOTICE

composer.lock

core/Updates/2.9.0-b1.php

core/Url.php

plugins/Installation/templates/_systemCheckSection.twig

tests/PHPUnit/Unit/API/ApiRendererTest.php

tests/PHPUnit/Unit/API/ResponseBuilderTest.php

tests/PHPUnit/Unit/AssetManager/PluginManagerMock.php

tests/PHPUnit/Unit/AssetManager/PluginMock.php

tests/PHPUnit/Unit/AssetManager/ThemeMock.php

tests/PHPUnit/Unit/AssetManager/UIAssetCacheBusterMock.php

tests/PHPUnit/Unit/AssetManager/UIAssetCacheBusterTest.php

tests/PHPUnit/Unit/AssetManager/UIAssetCatalogSorterTest.php

tests/PHPUnit/Unit/AssetManagerTest.php

tests/PHPUnit/Unit/CliMulti/OutputTest.php

tests/PHPUnit/Unit/CliMulti/ProcessTest.php

tests/PHPUnit/Unit/Columns/DimensionTest.php

tests/PHPUnit/Unit/CommonTest.php

tests/PHPUnit/Unit/ConfigTest.php

tests/PHPUnit/Unit/CookieTest.php