wip: Allow Rails 8.0

[tvdeyen]

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Closes # (Remove if not related to any issue)

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Checklist

• [ ] I have followed Pull Request guidelines
• [ ] I have added a detailed description into each commit message
• [ ] I have added tests to cover this change

[codecov[bot]]

Codecov Report

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

Project coverage is 96.47%. Comparing base (0dfea1e) to head (6f3ec38).

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #3032 +/- ## ======================================= Coverage 96.47% 96.47% ======================================= Files 237 237 Lines 6405 6405 ======================================= Hits 6179 6179 Misses 226 226 ```

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