add `fail-on INFO` for changelog

[codecov[bot]]

Codecov Report

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

Project coverage is 84.17%. Comparing base (8031b1c) to head (601cbcd).

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #510 +/- ## ======================================= Coverage 84.17% 84.17% ======================================= Files 232 232 Lines 12972 12973 +1 ======================================= + Hits 10919 10920 +1 Misses 1670 1670 Partials 383 383 ``` | [Flag](https://app.codecov.io/gh/Tufin/oasdiff/pull/510/flags?src=pr&el=flags&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Tufin) | Coverage Δ | | |---|---|---| | [unittests](https://app.codecov.io/gh/Tufin/oasdiff/pull/510/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Tufin) | `84.17% <100.00%> (+<0.01%)` | :arrow_up: | Flags with carried forward coverage won't be shown. [Click here](https://docs.codecov.io/docs/carryforward-flags?utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Tufin#carryforward-flags-in-the-pull-request-comment) to find out more.

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