Adjustments to newest flutter version

[joseph-grabinger]

• fix alignment export in TransformConverter
• upgrade flutter version in workflow to 3.16.7
• update deps

Closes #47

[codecov[bot]]

Codecov Report

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

Comparison is base (5d41c27) 88.48% compared to head (2d3b2fd) 88.51%.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #49 +/- ## ========================================== + Coverage 88.48% 88.51% +0.02% ========================================== Files 56 56 Lines 834 836 +2 ========================================== + Hits 738 740 +2 Misses 96 96 ```

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