4.1.0rc1

• Django 4.1 and 4.0 support
• Python 3.10 support
• Fix bug that broke page tree if it contained empty page content
• Fix bug that created new page content not in the displayed language but the browser language
• feat: graceful plugin exceptions. Exceptions when rendering a plugin are caught and logged
• Remove outdated Django setting SEND_BROKEN_LINK_EMAILS
• Introduce dropdown menus in the page tree for status indicators
• add release scripts for develop-4 branch (#7466) (ddbc99a)