ENH: integrate SymPy version in cache path #455

Job	Run time
style / Determine skipped pre-commit hooks	8s
pytest / Determine job matrix	4s
doc / nb / Execute and build documentation	1m 6s
doc / linkcheck / Check external links	1m 10s
pytest / Run unit tests (3.10, ubuntu-22.04)	45s
pytest / Run unit tests (3.11, ubuntu-22.04)	48s
pytest / Run unit tests (3.12, ubuntu-22.04)	51s
pytest / Run unit tests (3.7, ubuntu-22.04)	52s
pytest / Run unit tests (3.8, ubuntu-22.04)	50s
pytest / Run unit tests (3.9, ubuntu-22.04, ampform)	1m 40s
pytest / Run unit tests (3.9, macos-12)	1m 15s
style / Run taplo through pre-commit	18s
style / Run local pre-commit hooks	1m 31s
doc / Upload to GitHub Pages	0s
style / Push changes	0s
	11m 18s

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