Use prompt_toolkit to enable keyboard navigation in CLI

[erik-megarad]

Background

Keyboard arrow keys and shortcuts don't work in the CLI. We can use a library to help.

I saw #2838 but it's a super old branch so I started a new PR that has the smallest possible change.

This enables:

• Left/right arrow to go back/forwards on the current line.
• Keyboard shortcuts (e.g. to go back to the start of the line press ^a on mac/linux)
• History (press up arrow to cycle through previous commands)

If we want in the future we can do autocomplete and stuff, but this is the smallest change with the biggest benefit.

Changes

• Use prompt_toolkit over input

Documentation

No user change except it will be less annoying

Test Plan

• Updated the mock in challenges
• Tested manually on mac and linux (don't have a windows box but it's cross platform)

PR Quality Checklist

• My pull request is atomic and focuses on a single change.
• I have thoroughly tested my changes with multiple different prompts.
• I have considered potential risks and mitigations for my changes.
• I have documented my changes clearly and comprehensively.
• I have not snuck in any "extra" small tweaks changes.
• I have run the following commands against my code to ensure it passes our linters:

  black .
  isort .
  mypy
  autoflake --remove-all-unused-imports --recursive --ignore-init-module-imports --ignore-pass-after-docstring autogpt tests --in-place

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[codecov]

Codecov Report

Patch coverage: 100.00% and project coverage change: +0.02 🎉

Comparison is base (bc5dbb6) 69.98% compared to head (5dac0b6) 70.01%.

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #4649      +/-   ##
==========================================
+ Coverage   69.98%   70.01%   +0.02%     
==========================================
  Files          72       72              
  Lines        3595     3598       +3     
  Branches      572      572              
==========================================
+ Hits         2516     2519       +3     
  Misses        895      895              
  Partials      184      184              

Impacted Files	Coverage Δ
autogpt/utils.py	62.62% <100.00%> (+1.16%)	⬆️

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[ariel-frischer]

This works for me on my mac os 🙏🏽.