Fixing maxchars for macos + update of github workflow

[davidwaroquiers]

No description provided.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 99.70%. Comparing base (4d29824) to head (0b0c535).
⚠️ Report is 19 commits behind head on develop.

Additional details and impacted files

@@           Coverage Diff            @@
##           develop      #60   +/-   ##
========================================
  Coverage    99.70%   99.70%           
========================================
  Files           17       17           
  Lines         1353     1355    +2     
  Branches       189      189           
========================================
+ Hits          1349     1351    +2     
  Misses           2        2           
  Partials         2        2           

Files with missing lines	Coverage Δ
src/qtoolkit/io/shell.py	100.00% <100.00%> (ø)

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[gpetretto]

LGTM. Thanks