Merge branch '11.x' into 3507866-show-the-navigation

.gitattributes

.gitlab-ci.yml

.gitlab-ci/pipeline.yml

composer.lock

composer/Composer.php

composer/Generator/Util/DrupalCoreComposer.php

composer/Plugin/Scaffold/Operations/AppendOp.php

...ser/Plugin/Scaffold/Operations/ScaffoldFileCollection.php

composer/Plugin/VendorHardening/VendorHardeningPlugin.php

core/.phpstan-baseline.php

core/assets/scaffold/files/gitattributes

core/composer.json

core/core.services.yml

core/includes/bootstrap.inc

core/includes/form.inc

core/includes/install.core.inc

core/includes/install.inc

core/includes/theme.inc

core/lib/Drupal/Component/Assertion/Inspector.php

core/lib/Drupal/Component/Datetime/DateTimePlus.php