Added Pauli reconstruction method that respects the Jordan product

[TimWeaving]

TODO: cleanup NoncontextualOp code using the new Jordan-product reconstruction method

[codecov-commenter]

Codecov Report

Merging #123 (b498608) into main (100f670) will decrease coverage by 0.18%. The diff coverage is 81.08%.

@@            Coverage Diff             @@
##             main     #123      +/-   ##
==========================================
- Coverage   83.13%   82.95%   -0.18%     
==========================================
  Files          30       30              
  Lines        3154     3186      +32     
==========================================
+ Hits         2622     2643      +21     
- Misses        532      543      +11     

Impacted Files	Coverage Δ
tests/test_operators/test_independent_op.py	100.00% <ø> (ø)
tests/test_projection/test_qubit_tapering.py	100.00% <ø> (ø)
tests/test_operators/test_noncontextual_op.py	96.50% <10.00%> (-3.14%)	:arrow_down:
symmer/projection/utils.py	56.38% <50.00%> (ø)
symmer/operators/noncontextual_op.py	94.39% <81.81%> (-0.36%)	:arrow_down:
symmer/operators/base.py	66.26% <100.00%> (+0.79%)	:arrow_up:
symmer/operators/independent_op.py	87.83% <100.00%> (-0.09%)	:arrow_down:
symmer/operators/utils.py	75.86% <100.00%> (+1.40%)	:arrow_up:
symmer/projection/contextual_subspace.py	71.63% <100.00%> (ø)

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[AlexisRalli]

Error is due to debugpy and poetry==1.4.1 (https://github.com/microsoft/debugpy/issues/1246)

In GitHub workflow need to set poetry==1.4.0 to fix. Main branch now updated, so pull change from main!