Need to restrict colored to <2.0.0

[jamespreed]

The colored dependency had a 2.0.0 release in June of 2023 which breaks some of the previous v1 API.

>>> import colored
>>> colored.__version__
'2.2.3'
>>> import ps1api
---------------------------------------------------------------------------
ImportError                               Traceback (most recent call last)
Cell In[2], line 1
----> 1 import ps1api

File ~\miniconda3\envs\main\Lib\site-packages\ps1api\__init__.py:4
      1 #!/usr/bin/env python3
      2 # -*- coding: utf-8 -*-
      3 """PS1 Prompt module."""
----> 4 from colored import fg, bg, attr, names
      5 from pathlib import Path
      6 import itertools

ImportError: cannot import name 'names' from 'colored' (C:\Users\me\py\envs\main\Lib\site-packages\colored\__init__.py)