[BUG] pip installing spark expectations does install required dependencies

[holdenk]

Describe the bug
pip installing spark expectations does install required dependencies

To Reproduce
Create a fresh virtualenv or anaconda env
pip install spark-expectations
try and import it from spark_expectations.core.expectations import SparkExpectations

Get

>>> from spark_expectations.core.expectations import SparkExpectations
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
  File "/home/holden/miniconda3/lib/python3.10/site-packages/spark_expectations/core/__init__.py", line 3, in <module>
    from delta import configure_spark_with_delta_pip
ImportError: cannot import name 'configure_spark_with_delta_pip' from 'delta' (/home/holden/miniconda3/lib/python3.10/site-packages/delta/__init__.py)
>>> 

Expected behavior
A clear and concise description of what you expected to happen.

Spark expectations loads