Add support for PHP 8.4

Prepare the 3.9.0 release

Prepare version 3.8.2

Correct the value passed to check if the constant is defined

Tidy up the testing on PHP 8

Prepare the 3.7.0 release

Prepare the 3.6.0 release

Ensure we can output checkboxes when the terminal width is unknown

Update the changelog for version 3.5.1

Prepare the release notes for version 3.5.0