chat/toot: update to toot-0.34.0

CHANGES

* Fix Python version detection which would fail in some cases (thanks K)
* Fix toot --help not working (thanks Norman Walsh)
* TUI: Add option to save status JSON data from source window (thanks
  Dan Schwarz)
* TUI: Add `--relative-datetimes` option to show relative datetimes
  (thanks Dan Schwarz)
* TUI: Don't focus newly created post (#188, thanks Dan Schwarz)
* TUI: Add ability to scroll long status messages (#166, thanks Dan
  Schwarz)
* TUI: Add action to view account details (thanks Dan Schwarz)

(vins)