adapt to TensorProducts

[ogauthe]

This PR adapts TensorAlgebra to TensorProducts.jl, as explained in ITensor/BlockSparseArrays.jl#57

It removes the definition of ⊗ which now comes from TensorProducts.jl and removes GradedUnitRanges extension.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 95.18%. Comparing base (ff08635) to head (1447862).
Report is 1 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main      #41      +/-   ##
==========================================
+ Coverage   95.02%   95.18%   +0.15%     
==========================================
  Files          15       14       -1     
  Lines         422      415       -7     
==========================================
- Hits          401      395       -6     
+ Misses         21       20       -1     

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[mtfishman]

Looks good, thanks @ogauthe. Nice to see that code removed.

[ogauthe]

ready to merge