ci: don't upload coverage for renovate or release-please PRs

[codecov[bot]]

Codecov Report

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

Project coverage is 71.46%. Comparing base (482aee2) to head (48af7a6).

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #498 +/- ## ======================================= Coverage 71.46% 71.46% ======================================= Files 46 46 Lines 3935 3935 ======================================= Hits 2812 2812 Misses 710 710 Partials 413 413 ```

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