New features:
* Add choice() shortcut for selecting an option amongst a list
of choices (see documentation for examples).
* Add support for ANSI dim text formatting.
* Add frame=... option for prompt() and choice() shortcuts to
allow for displaying a frame around the input prompt.
Fixes:
* Fix button width when non English characters are displayed.
* Implement flushing in Windows VT100 input.
* Fix signal handling for GraalPy.
* Fix handling of zero sized dimensions.
OBS-URL: https://build.opensuse.org/package/show/devel:languages:python/python-prompt_toolkit?expand=0&rev=64