fix: Pandas Column Stats Extractor error cast type: str to float

[kenny-shopback]

Summary of Changes

Force STAT_MAPPINGS: Min, Max, Range: from data type float to str

Tests

1. tested with column have data type: int, float, datetime (I did not face error: ValueError: could not convert string to float: '2018-04-30 17:35:25' with data type datetime anymore.

Documentation

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[boring-cyborg]

Congratulations on your first Pull Request and welcome to Amundsen community! If you have any issues or are unsure about any anything please check our Contribution Guide (https://github.com/amundsen-io/amundsen/blob/main/CONTRIBUTING.md)

[mgorsk1]

thanks! please remember to complete Github DCO so I can merge

[kenny-shopback]

done, @mgorsk1

[boring-cyborg]

Awesome work, congrats on your first merged pull request!