Quick fix for GN3 resampling

[samvanstroud]

• Fix a bug which caused ValueError: Found inconsistent flavour ratios:
• Update the tools package version

[codecov[bot]]

Codecov Report

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

Project coverage is 94.69%. Comparing base (587c71e) to head (d1f0e13). Report is 1 commits behind head on main.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #74 +/- ## ========================================== + Coverage 94.17% 94.69% +0.52% ========================================== Files 15 15 Lines 978 981 +3 ========================================== + Hits 921 929 +8 + Misses 57 52 -5 ```

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