Refactor user data directories with `platformdirs` #1074

Job	Run time
clean	23s
build (ubuntu-latest)	12m 33s
lint	10m 24s
(${{ matrix.python-version }}, ubuntu-latest)	0s
Pypi	0s
(${{ matrix.python-version }}, ${{ matrix.os }})	0s
	23m 20s

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