Support Ruby 3.2.x - small bug fixes#2

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linucs wants to merge 3 commits intocul:masterfrom

Commits on Jul 16, 2022

Forced numeric & date converters
linucs
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Commits on Feb 18, 2023

Fixed missing File.exists? issue in Ruby 3.2. Fixed a bug when parsing Date fields after forcing numeric & date converters.
linucs
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Commits on Oct 13, 2023

Bump json_csv to 1.0.1
linucs
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