Switch from raw dataclasses to pydantic for validation

[timkpaine]

No description provided.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 95.97%. Comparing base (8252257) to head (6f59e85).
Report is 2 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main       #9      +/-   ##
==========================================
+ Coverage   95.67%   95.97%   +0.30%     
==========================================
  Files           8        8              
  Lines         185      174      -11     
==========================================
- Hits          177      167      -10     
+ Misses          8        7       -1     

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[github-actions]

Test Results

2 tests  ±0   2 ✅ ±0   1s ⏱️ -1s
1 suites ±0   0 💤 ±0 
1 files   ±0   0 ❌ ±0 

Results for commit 6f59e85. ± Comparison against base commit 8252257.