Merge remote-tracking branch 'origin/9.1.x' into 3167034-lazy-load-images

composer.lock

composer/Metapackage/PinnedDevDependencies/composer.json

core/MAINTAINERS.txt

core/includes/bootstrap.inc

core/includes/errors.inc

core/lib/Drupal/Core/Access/CsrfTokenGenerator.php

core/lib/Drupal/Core/Asset/LibraryDiscoveryCollector.php

core/lib/Drupal/Core/Asset/LibraryDiscoveryParser.php

core/lib/Drupal/Core/Entity/EntityResolverManager.php

core/lib/Drupal/Core/Field/Entity/BaseFieldOverride.php

core/lib/Drupal/Core/Render/Element/FormElement.php

core/lib/Drupal/Core/Security/PharExtensionInterceptor.php

core/misc/cspell/dictionary.txt

...s/aggregator/tests/src/Functional/AggregatorAdminTest.php

...gregator/tests/src/Functional/AggregatorRenderingTest.php

...nfig_translation/tests/src/Unit/ConfigNamesMapperTest.php

core/modules/contact/tests/src/Unit/MailHandlerTest.php

core/modules/field/src/Entity/FieldConfig.php

core/modules/field/src/Entity/FieldStorageConfig.php

.../src/Plugin/migrate/process/d6/FieldOptionTranslation.php