Update prompt-toolkit to 3.0.10

[pyup-bot]

This PR updates prompt-toolkit from 3.0.7 to 3.0.10.

Changelog

3.0.10

------------------

New features:
- Improved `WordCompleter`: accept `display_dict`. Also accept formatted text
for both `display_dict` and `meta_dict`.
- Allow customization of button arrows.

Fixes:
- Correctly recognize backtab on Windows.
- Show original display text in fuzzy completer if no filtering was done.

3.0.9

-----------------

New features:
- Allow replacing `PythonInput.completer` at runtime (useful for tools build on
top of ptpython).
- Show REPL title in pager.

3.0.8

-----------------

New features:
- Optional output formatting using Black.
- Optional pager for displaying outputs that don't fit on the screen.
- Added --light-bg and --dark-bg flags to automatically optimize the brightness
of the colors according to the terminal background.
- Addd `PTPYTHON_CONFIG_HOME` for explicitely setting the config directory.
- Show completion suffixes (like '(' for functions).

Fixes:
- Fix dictionary completion on Pandas objects.
- Stop using deprecated Jedi functions.

Links

• PyPI: https://pypi.org/project/prompt-toolkit
• Changelog: https://pyup.io/changelogs/prompt-toolkit/
• Repo: https://github.com/prompt-toolkit/python-prompt-toolkit

[pyup-bot]

Closing this in favor of #1537