Disable MiMa for scio-bom

[codecov[bot]]

Codecov Report

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

Project coverage is 61.11%. Comparing base (e785613) to head (6992cc6).

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #5439 +/- ## ========================================== - Coverage 61.11% 61.11% -0.01% ========================================== Files 311 311 Lines 11075 11075 Branches 764 764 ========================================== - Hits 6769 6768 -1 - Misses 4306 4307 +1 ```

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