fix(build): fix optional poetry dependencies

[kenibrewer]

Description

Optional pip dependencies were configured incorrectly and were always being installed. The dependencies have been reconfigured as optional and included in the expected "extras" groups.

Fixes #335

What is the nature of your change?

• Bug fix (fixes an issue).

Checklist

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• I have read the CONTRIBUTING.md guidelines.
• My code follows the style guidelines of this project.
• I have performed a self-review of my own code.
• I have commented my code, particularly in hard-to-understand areas.
• My changes generate no new warnings.
• New and existing unit tests pass locally with my changes.
• I have deleted all non-relevant text in this pull request template.

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📚 Documentation preview 📚: https://pycytominer--338.org.readthedocs.build/en/338/

[codecov-commenter]

Codecov Report

Merging #338 (542307d) into main (871b633) will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##             main     #338   +/-   ##
=======================================
  Coverage   95.40%   95.40%           
=======================================
  Files          56       56           
  Lines        3134     3134           
=======================================
  Hits         2990     2990           
  Misses        144      144           

Flag	Coverage Δ
unittests	95.40% <ø> (ø)

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[kenibrewer]

Self-reviewed

[d33bs]

Nice work! I left a couple of comments and overall felt this looked good. I seek your input on the codecov.yml file changes specifically to make sure this is ready before an approval from me. Please don't hesitate to let me know if you have any questions.