Use "attribute" docstring section in Sphinx style #354

Job	Run time
Test pre-commit console encoding	40s
Test Python 3.8 (ubuntu-latest)	1m 14s
Test Python 3.9 (ubuntu-latest)	57s
Test Python 3.10 (ubuntu-latest)	59s
Test Python 3.11 (ubuntu-latest)	51s
Test Python 3.12 (ubuntu-latest)	19s
Test Python 3.8 (windows-latest)	1m 53s
Test Python 3.9 (windows-latest)	2m 7s
Test Python 3.10 (windows-latest)	2m 18s
Test Python 3.11 (windows-latest)	2m 35s
Test Python 3.12 (windows-latest)	43s
Test Python 3.8 (macOS-latest)	1m 12s
Test Python 3.9 (macOS-latest)	45s
Test Python 3.10 (macOS-latest)	55s
Test Python 3.11 (macOS-latest)	45s
Test Python 3.12 (macOS-latest)	17s
	18m 30s

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