Add Lattice property params_dict

[janosh]

16be051 add Lattice property params_dict
47699ef use new prop in Lattice.as_dict
069852f test keys in TestLattice.test_to_from_dict
41a424d add TestLattice.test_parameters

[codecov-commenter]

Codecov Report

Patch coverage: 100.00% and project coverage change: -0.01% ⚠️

Comparison is base (182ccbf) 74.62% compared to head (41a424d) 74.62%.

❗ Current head 41a424d differs from pull request most recent head 6cdd0da. Consider uploading reports for the commit 6cdd0da to get more accurate results

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #3239      +/-   ##
==========================================
- Coverage   74.62%   74.62%   -0.01%     
==========================================
  Files         230      230              
  Lines       69403    69406       +3     
  Branches    16161    16161              
==========================================
+ Hits        51795    51796       +1     
- Misses      14533    14534       +1     
- Partials     3075     3076       +1     

Files Changed	Coverage Δ
pymatgen/core/lattice.py	93.77% <100.00%> (+0.03%)	⬆️
pymatgen/io/lammps/data.py	96.96% <100.00%> (ø)

... and 1 file with indirect coverage changes

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