Python update

[MIWdlB]

Updates the python dependency to make it less restrictive, in line with #162

Included in changes:

• Python version changed
• Move dev dependencies to dev group of pyproject.toml
• Poetry added to dev dependencies
• Poetry update
• linting

[codecov-commenter]

Codecov Report

Attention: 203 lines in your changes are missing coverage. Please review.

Comparison is base (33716f6) 77.48% compared to head (b1f6881) 77.47%.

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #163      +/-   ##
==========================================
- Coverage   77.48%   77.47%   -0.02%     
==========================================
  Files          33       33              
  Lines        3833     3840       +7     
==========================================
+ Hits         2970     2975       +5     
- Misses        863      865       +2     

Files	Coverage Δ
symmer/__init__.py	100.00% <100.00%> (ø)
symmer/evolution/__init__.py	100.00% <100.00%> (ø)
symmer/evolution/gate_library.py	100.00% <100.00%> (ø)
symmer/operators/base.py	65.89% <ø> (+0.12%)	⬆️
symmer/projection/__init__.py	100.00% <100.00%> (ø)
symmer/projection/base.py	93.33% <100.00%> (-2.23%)	⬇️
symmer/projection/qubit_subspace_manager.py	93.97% <100.00%> (ø)
symmer/projection/qubit_tapering.py	100.00% <100.00%> (ø)
...ests/test_evolution/test_evolution_gate_library.py	100.00% <100.00%> (ø)
tests/test_operators/test_anticommuting_op.py	100.00% <100.00%> (ø)
... and 21 more

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

[MIWdlB]

There is a problem with rustworkx 0.13.2 (dependency of qiskit) such that it is unable to install via poetry.

Easy workaround for this is to pin it to <0.13.1 until the issue is resolved (presumably an issue with PyPI).