toot 0.28.1

 * Fix account search to be case insensitive (thanks @TheJokersThief)
 * Fix account search to use v2 endpoint, since v1 endpoint was removed
   on some instances (thanks @kaja47)
 * Add '.toot' extension to temporary files when composing toot in an
   editor (thanks @larsks)
 * Display localized datetimes in timeline (thanks @mmmmmmbeer)
 * Don't use # for comments when composing toot in an editor, since that
   made it impossible to post lines starting with #.
 * TUI: Fix crash when poll does not have an expiry date