fix: adapt onnx example for ort rc.10

[martinjrobins]

Summary

• pin ort/ort-sys to 2.0.0-rc.10
• update neural-ode-weather-prediction to match ort v2 session/input APIs

Testing

• LLVM_DIR=/usr/lib/llvm-21 LLVM_SYS_211_PREFIX=/usr/lib/llvm-21 cargo run -p neural-ode-weather-prediction --features onnx (builds; run timed out during training)

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 74.14%. Comparing base (413341b) to head (bd23ecb).
⚠️ Report is 1 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #232      +/-   ##
==========================================
- Coverage   74.15%   74.14%   -0.02%     
==========================================
  Files          85       85              
  Lines        9309     9309              
==========================================
- Hits         6903     6902       -1     
- Misses       2406     2407       +1     

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