adding json2csv to run-workflow

[joshqsumner]

Describe your changes
Added json2csv to run-workflow to make csv files by default from the output json.

Type of update
Is this a new feature or feature enhancement.

Associated issues
Reference associated issue numbers. Does this pull request close any issues?

Additional context
Note that I do not have a good dataset to test on locally so this is untested at time of opening PR.

For the reviewer
See this page for instructions on how to review the pull request.

• PR functionality reviewed in a Jupyter Notebook
• All tests pass
• Test coverage remains 100%
• Documentation tested
• New documentation pages added to plantcv/mkdocs.yml
• Changes to function input/output signatures added to updating.md
• Code reviewed
• PR approved

[deepsource-io]

Here's the code health analysis summary for commits c6105a7..9c5b6a2. View details on DeepSource ↗.

Analysis Summary

Analyzer	Status	Summary	Link
Python	✅ Success		View Check ↗
Test coverage	✅ Success		View Check ↗

Code Coverage Report

Metric	Aggregate	Python
Branch Coverage	100%	100%
Composite Coverage	100%	100%
Line Coverage	100%	100%
New Branch Coverage	100%	100%
New Composite Coverage	100%	100%
New Line Coverage	100%, ✅ Above Threshold	100%, ✅ Above Threshold

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[HaleySchuhl]

Looks good, I just suggested a minor change to the last print statement that got added.

[HaleySchuhl]

Looks good!