Python wheel: macos action checkout

[tmi]

Just a typo. With that fixed, the action succeeds and builds the wheel

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 64.06%. Comparing base (ef96e2d) to head (d892af3).

Additional details and impacted files

@@           Coverage Diff            @@
##           develop     #160   +/-   ##
========================================
  Coverage    64.06%   64.06%           
========================================
  Files         1079     1079           
  Lines        55679    55679           
  Branches      4118     4118           
========================================
  Hits         35668    35668           
  Misses       20011    20011           

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[github-actions]

Private downstream CI failed.
Workflow name: private-downstream-ci
View the logs at https://github.com/ecmwf-actions/private-downstream-ci/actions/runs/13153665608.

[github-actions]

Private downstream CI failed.
Workflow name: private-downstream-ci-hpc
View the logs at https://github.com/ecmwf-actions/private-downstream-ci/actions/runs/13153951672.

[github-actions]

Private downstream CI failed.
Workflow name: private-downstream-ci
View the logs at https://github.com/ecmwf-actions/private-downstream-ci/actions/runs/13158181961.

[github-actions]

Private downstream CI failed.
Workflow name: private-downstream-ci-hpc
View the logs at https://github.com/ecmwf-actions/private-downstream-ci/actions/runs/13158419125.