fix(action): missing project directory path for failure inspection

[aldy505]

This one is missing. First seen here: https://github.com/getsentry/uptime-checker/actions/runs/16429015462/job/46426515654

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 99.45%. Comparing base (a2447aa) to head (1f95b1c).
Report is 1 commits behind head on master.

✅ All tests successful. No failed tests found.

Additional details and impacted files

@@           Coverage Diff           @@
##           master    #3825   +/-   ##
=======================================
  Coverage   99.45%   99.45%           
=======================================
  Files           3        3           
  Lines         183      183           
=======================================
  Hits          182      182           
  Misses          1        1           

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