Update report size marker objects class

[HaleySchuhl]

Describe your changes
Update pcv.report_size_marker input parameters to take new roi formatted Object.

Type of update
Is this a:

• update

Associated issues
#945

Additional context
Add any other context about the problem here.

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

[codecov]

Codecov Report

❗ No coverage uploaded for pull request base (release-4.0@3129d85). Click here to learn what that means.
The diff coverage is 100.00%.

❗ Current head eda1f1a differs from pull request most recent head d47b063. Consider uploading reports for the commit d47b063 to get more accurate results

@@              Coverage Diff               @@
##             release-4.0     #955   +/-   ##
==============================================
  Coverage               ?   99.98%           
==============================================
  Files                  ?      161           
  Lines                  ?     6849           
  Branches               ?        0           
==============================================
  Hits                   ?     6848           
  Misses                 ?        1           
  Partials               ?        0           

Flag	Coverage Δ
unittests	99.98% <100.00%> (?)

Flags with carried forward coverage won't be shown. Click here to find out more.

Impacted Files	Coverage Δ
plantcv/plantcv/report_size_marker_area.py	100.00% <100.00%> (ø)

[maliagehan]

Thank you haley, I tested it!