chore(deps): Update pinned environment, use conda-forge connectome-workbench

[effigies]

Keeping things in line with nipreps/fmriprep#3440 and nipreps/fmriprep#3410.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 74.19%. Comparing base (ba657db) to head (6bdc5bb).
Report is 3 commits behind head on master.

Additional details and impacted files

@@             Coverage Diff             @@
##           master     #468       +/-   ##
===========================================
+ Coverage   63.10%   74.19%   +11.08%     
===========================================
  Files          25       25               
  Lines        1957     1957               
  Branches      245      245               
===========================================
+ Hits         1235     1452      +217     
+ Misses        682      438      -244     
- Partials       40       67       +27     

Flag	Coverage Δ
ds054	45.59% <ø> (?)

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