MAINT: test AmpForm on Python 3.12 (#366) #256

Job	Run time
style / Determine skipped pre-commit hooks	8s
pytest / Determine job matrix	4s
doc / linkcheck / Check external links	1m 35s
doc / nb / Execute and build documentation	3m 13s
pytest / Run unit tests (3.10, ubuntu-22.04)	1m 4s
pytest / Run unit tests (3.11, ubuntu-22.04)	57s
pytest / Run unit tests (3.12, ubuntu-22.04)	1m 8s
pytest / Run unit tests (3.7, ubuntu-22.04)	1m 6s
pytest / Run unit tests (3.9, ubuntu-22.04)	1m 0s
pytest / Run unit tests (3.8, ubuntu-22.04, ampform)	2m 2s
pytest / Run unit tests (3.9, macos-12)	1m 30s
style / Run local pre-commit hooks	1m 49s
style / Run taplo through pre-commit	24s
style / Push changes	0s
doc / Upload to GitHub Pages	0s
	16m 0s

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