Bump isort from 6.0.0 to 7.0.0 (#14) #21

Job	Run time
Test with nox (amd64, ubuntu-24.04, 3.11, pytest_min)	33s
Test with nox (amd64, ubuntu-24.04, 3.12, pytest_min)	37s
Test with nox (arm, ubuntu-24.04, 3.12, ci_checks_max)	52s
Test with nox (amd64, ubuntu-24.04, 3.11, ci_checks_max)	42s
Test with nox (arm, ubuntu-24.04, 3.12, pytest_min)	44s
Test with nox (arm, ubuntu-24.04, 3.11, ci_checks_max)	58s
Build distribution packages	20s
Test with nox (arm, ubuntu-24.04, 3.11, pytest_min)	36s
Test with nox (amd64, ubuntu-24.04, 3.12, ci_checks_max)	43s
Test documentation website generation	-1s
Test package installation (amd64, ubuntu-24.04, 3.12)	11s
Test package installation (arm, ubuntu-24.04, 3.12)	17s
Test package installation (amd64, ubuntu-24.04, 3.11)	15s
Test package installation (arm, ubuntu-24.04, 3.11)	21s
Test with nox	4s
Test package installation	2s
Publish documentation website to GitHub pages	26s
Publish packages to PyPI	0s
Create GitHub release	0s
	7m 40s

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