Test against 0.4.3

[mattwthompson]

ref openforcefield/openff-interchange#1253

Checklist

• Added a news entry

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• I certify that this contribution is covered by the MIT License here and the Developer Certificate of Origin at https://developercertificate.org/.

[github-actions]

No API break detected ✅

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 92.24%. Comparing base (04387d7) to head (0716d9a).
⚠️ Report is 109 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #1425      +/-   ##
==========================================
- Coverage   95.11%   92.24%   -2.88%     
==========================================
  Files         165      165              
  Lines       12389    12389              
==========================================
- Hits        11784    11428     -356     
- Misses        605      961     +356     

Flag	Coverage Δ
fast-tests	92.24% <ø> (?)
slow-tests	?

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[mattwthompson]

Nothing obviously broken

[IAlibay]

Thanks for testing this @mattwthompson - just a heads up, we don't actually do anything directly with Interchange here (at least for now). So as long as relevant tests pass in openmmforcefields, we're probably fine.

The place where testing might be more useful is in pontibus. There we do use Interchange directly, so that might be a good canary for "will things break", especially after we finish implementing that temporary rbfe protocol.

[mattwthompson]

Thanks for the added context - this was definitely me just plucking one downstream package to make sure nothing major broke. Your suggestions sound good for other places to check and I'll do those in the future