Run updated version of black to fix CI

[tsalo]

This should fix the currently failing linter CI step.

[codecov-commenter]

Codecov Report

Merging #79 (1fc1684) into master (80c0709) will not change coverage.
The diff coverage is 100.00%.

@@           Coverage Diff           @@
##           master      #79   +/-   ##
=======================================
  Coverage   88.63%   88.63%           
=======================================
  Files          10       10           
  Lines         774      774           
=======================================
  Hits          686      686           
  Misses         88       88           

Impacted Files	Coverage Δ
pymare/estimators/combination.py	92.00% <100.00%> (ø)
pymare/estimators/estimators.py	83.65% <100.00%> (ø)
pymare/results.py	81.81% <100.00%> (ø)

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