fix: Update variables for publish crate action

[RasmusRendal]

The variables had been changed, which was causing the CI job to fail. And the CI job isn't marked as required, so nobody noticed.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 74.18%. Comparing base (22868d4) to head (ec0ec43).
⚠️ Report is 3 commits behind head on main.
✅ All tests successful. No failed tests found.

Additional details and impacted files

@@            Coverage Diff             @@
##             main      #32      +/-   ##
==========================================
- Coverage   74.36%   74.18%   -0.19%     
==========================================
  Files           5        5              
  Lines         277      275       -2     
==========================================
- Hits          206      204       -2     
  Misses         71       71              

Files with missing lines	Coverage Δ
src/lib.rs	88.29% <ø> (ø)

... and 1 file with indirect coverage changes

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