MNT: Update environment definition files

[effigies]

Following up on fmriprep.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 60.98%. Comparing base (6edfb38) to head (9aadcb8).

Additional details and impacted files

@@           Coverage Diff           @@
##           master     #860   +/-   ##
=======================================
  Coverage   60.98%   60.98%           
=======================================
  Files          55       55           
  Lines        6559     6559           
  Branches      954      954           
=======================================
  Hits         4000     4000           
  Misses       2374     2374           
  Partials      185      185           

Flag	Coverage Δ
reportlettests	∅ <ø> (?)
unittests	∅ <ø> (?)

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