Issue #3329246 by Project Update Bot, scott_euser: Automated Drupal 10 compatibility fixes

epub_reader_framework.info.yml

src/Controller/ReaderNodeAjaxController.php

src/Epub/ReaderEpubXhtmlConverter.php

src/Event/ReaderEpubXhmlConverterEvent.php

src/Event/ReaderNodeAjaxControllerResponseEvent.php

tests/src/Functional/ReaderChapterNavigationTest.php

tests/src/Functional/ReaderPreviousNextTest.php

tests/src/Functional/ReaderSubchapterHeadingsTest.php

tests/src/FunctionalJavascript/ReaderUploadEpubTest.php