Added a dropout argument to the M3GNET constructor

[miicck]

The constructor simply passes the value down to the underlying M3GNetBlock layers. The default value is None (corresponding to no dropout), the same as for the M3GNetBlock layers - so there is no change to default behaviour. I'm using this to regularize my models - and it's working as intended.

Summary

Changes:

• feature 1: Added a parameter to the constructor of a M3GNet model that allows passing down a dropout value. The default value preserves current behaviour.

Checklist

• Google format doc strings added. Check with ruff.
• Type annotations included. Check with mypy.
• (N/A) Tests added for new features/fixes .
• (N/A) If applicable, new classes/functions/modules have duecredit @due.dcite decorators to reference relevant papers by DOI (example)

Tip: Install pre-commit hooks to auto-check types and linting before every commit:

pip install -U pre-commit
pre-commit install

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 79.43%. Comparing base (464a49b) to head (5caf39e).
⚠️ Report is 3 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #628   +/-   ##
=======================================
  Coverage   79.43%   79.43%           
=======================================
  Files          45       45           
  Lines        3915     3915           
=======================================
  Hits         3110     3110           
  Misses        805      805           

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.

🚀 New features to boost your workflow:

• ❄️ Test Analytics: Detect flaky tests, report on failures, and find test suite problems.

[shyuep]

Thanks!