Fix workflow warning

Remove deprecated `file` input for codecov/codecov-action.

Author: martincostello

.github/workflows/build.yml

@@ -66,7 +66,6 @@ jobs:
     - uses: codecov/codecov-action@015f24e6818733317a2da2edd6290ab26238649a # v5.0.7
       name: Upload coverage to Codecov
       with:
-        file: ./artifacts/coverage/coverage.cobertura.xml
         flags: ${{ matrix.os-name }}
         token: ${{ secrets.CODECOV_TOKEN }}