ci: Update isort params for v5

[marksweb]

This updates the isort params for version 5.

https://pycqa.github.io/isort/docs/upgrade_guides/5.0.0.html

[codecov[bot]]

Codecov Report

Merging #268 (799d6c0) into master (7490757) will not change coverage. The diff coverage is n/a.

@@           Coverage Diff           @@
##           master     #268   +/-   ##
=======================================
  Coverage   87.61%   87.61%           
=======================================
  Files          29       29           
  Lines        1591     1591           
  Branches      260      260           
=======================================
  Hits         1394     1394           
  Misses        141      141           
  Partials       56       56           

Help us with your feedback. Take ten seconds to tell us how you rate us. Have a feature suggestion? Share it here.