Don't use numba objectmode with vector boolean inc_subtensor

[ricardoV94]

This shows up in some imputation models in PyMC. Numba supports this case, so no reason to block it.

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📚 Documentation preview 📚: https://pytensor--1243.org.readthedocs.build/en/1243/

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 81.98%. Comparing base (f37380f) to head (04b0b57).
Report is 5 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #1243      +/-   ##
==========================================
- Coverage   81.99%   81.98%   -0.02%     
==========================================
  Files         188      188              
  Lines       48567    48567              
  Branches     8677     8677              
==========================================
- Hits        39823    39818       -5     
- Misses       6581     6584       +3     
- Partials     2163     2165       +2     

Files with missing lines	Coverage Δ
pytensor/link/numba/dispatch/subtensor.py	95.34% <ø> (ø)

... and 2 files with indirect coverage changes