Fix: Use shapely.points instead of shapely.lib.points for point creation

[lola831]

Description

This commit replaces the internal call to shapely.lib.points with the public API shapely.points. Our code worked with Shapely 2.0.7, but with the release of 2.1.0 the internal method no longer accepts our inputs correctly, causing errors during point creation. This fix resolves those errors by using the officially supported method.

Issue Link

N/A

Checklist

• I have tested the changes locally via pytest and/or other means
• I have added or updated relevant documentation
• I have autoformatted the code with black and isort
• I have added test cases (if applicable)

Additional Notes

N/A

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 91.35%. Comparing base (5d36cce) to head (4b59e60).
Report is 2 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #336      +/-   ##
==========================================
- Coverage   91.38%   91.35%   -0.03%     
==========================================
  Files          54       54              
  Lines       13579    13584       +5     
==========================================
+ Hits        12409    12410       +1     
- Misses       1170     1174       +4     

Files with missing lines	Coverage Δ
src/scenic/core/geometry.py	94.89% <100.00%> (-1.28%)	⬇️

... and 4 files with indirect coverage changes

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