TST: Enable tests for python 3.12

[BvB93]

Enable tests for Python 3.12

[codecov]

Codecov Report

Merging #305 (4faa5b2) into master (4954ab8) will decrease coverage by 0.03%.
The diff coverage is 87.50%.

@@            Coverage Diff             @@
##           master     #305      +/-   ##
==========================================
- Coverage   80.77%   80.74%   -0.03%     
==========================================
  Files          41       41              
  Lines        2278     2280       +2     
  Branches      396      397       +1     
==========================================
+ Hits         1840     1841       +1     
  Misses        327      327              
- Partials      111      112       +1     

Files	Coverage Δ
src/qmflows/parsers/_cp2k_basis_parser.py	98.18% <100.00%> (ø)
src/qmflows/parsers/_cp2k_orbital_parser.py	98.78% <100.00%> (ø)
src/qmflows/parsers/cp2k.py	80.15% <100.00%> (ø)
src/qmflows/parsers/utils.py	82.35% <100.00%> (ø)
src/qmflows/test_utils.py	81.45% <100.00%> (ø)
src/qmflows/packages/_scm.py	68.92% <0.00%> (ø)
src/qmflows/utils.py	88.88% <66.66%> (-1.12%)	⬇️

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