merged with main and php8 compatibility branch

composer.json

src/Dldb/AbstractAccess.php

src/Dldb/Collection/Authorities.php

src/Dldb/Collection/Locations.php

src/Dldb/Collection/Settings.php

src/Dldb/Elastic/Link.php

src/Dldb/Entity/Authority.php

src/Dldb/Entity/Base.php

src/Dldb/Entity/Location.php

src/Dldb/Entity/Service.php

src/Dldb/File/Authority.php

src/Dldb/File/Base.php

src/Dldb/File/Service.php

src/Dldb/File/Setting.php

src/Dldb/TwigExtension.php

tests/Dldb/FileAccessTest.php

tests/config.php