ENH: integrate SymPy version in cache path (#409) #456

Job	Run time
pytest / Determine job matrix	6s
style / Determine skipped pre-commit hooks	10s
doc / linkcheck / Check external links	1m 13s
doc / nb / Execute and build documentation	1m 20s
pytest / Run unit tests (3.10, ubuntu-22.04)	46s
pytest / Run unit tests (3.11, ubuntu-22.04)	39s
pytest / Run unit tests (3.12, ubuntu-22.04)	51s
pytest / Run unit tests (3.7, ubuntu-22.04)	1m 17s
pytest / Run unit tests (3.8, ubuntu-22.04)	48s
pytest / Run unit tests (3.9, ubuntu-22.04, ampform)	1m 41s
pytest / Run unit tests (3.9, macos-12)	1m 5s
style / Run local pre-commit hooks	1m 23s
style / Run taplo through pre-commit	23s
doc / Upload to GitHub Pages	0s
style / Push changes	0s
	11m 42s

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