Fix: Update commit-ci codecov step

[brynpickering]

Fixes codecov not uploading successfully on main and its failure being silent. This is why we have failing coverage reports in all our PRs.

Summary of changes in this pull request

• Copy over codecov config from pr-ci to commit-ci.

Reviewer checklist

• [ ] Test(s) added to cover contribution
• [ ] Documentation updated
• [ ] Changelog updated
• [ ] Coverage maintained or improved

[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 95.35%. Comparing base (872978d) to head (181318c). Report is 21 commits behind head on main.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #629 +/- ## ========================================== - Coverage 95.85% 95.35% -0.51% ========================================== Files 24 24 Lines 3619 3656 +37 Branches 788 734 -54 ========================================== + Hits 3469 3486 +17 + Misses 86 82 -4 - Partials 64 88 +24 ``` [see 3 files with indirect coverage changes](https://app.codecov.io/gh/calliope-project/calliope/pull/629/indirect-changes?src=pr&el=tree-more&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=calliope-project)

[brynpickering]

Exactly. You can see it failing in this CI job due to lack of an API token, but doing so with a warning that gets passed over silently.