Move transform reporting to pipeline eval

[istranic]

🚀 🚀 Pull Request

Checklist:

• My code follows the style guidelines of this project and the Contributing document
• I have commented my code, particularly in hard-to-understand areas
• I have kept the coverage-rate up
• I have performed a self-review of my own code and resolved any problems
• I have checked to ensure there aren't any other open Pull Requests for the same change
• I have described and made corresponding changes to the relevant documentation
• New and existing unit tests pass locally with my changes

Changes

[davidbuniat]

@istranic mypy (which is doing type inference) was warning that num_workers is of type int however expects str, should we wrap str(num_workers)

[codecov]

Codecov Report

Merging #1116 (df8c6b2) into main (3a5f7c9) will not change coverage.
The diff coverage is 100.00%.

@@           Coverage Diff           @@
##             main    #1116   +/-   ##
=======================================
  Coverage   90.61%   90.61%           
=======================================
  Files         118      118           
  Lines        6071     6071           
=======================================
  Hits         5501     5501           
  Misses        570      570           

Impacted Files	Coverage Δ
hub/core/transform/transform.py	94.91% <100.00%> (ø)

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