Type-check docstring code examples via companion files and unified sync script #838

Job	Run time
checks / pre-commit	1m 3s
checks / readme-snippets	14s
checks / test (3.10, locked, ubuntu-latest)	50s
checks / test (3.10, locked, windows-latest)	2m 17s
checks / test (3.11, lowest-direct, ubuntu-latest)	52s
checks / test (3.11, lowest-direct, windows-latest)	2m 38s
checks / test (3.10, lowest-direct, windows-latest)	2m 15s
checks / test (3.12, locked, windows-latest)	3m 22s
checks / test (3.11, locked, windows-latest)	2m 37s
checks / test (3.10, lowest-direct, ubuntu-latest)	53s
checks / test (3.13, lowest-direct, windows-latest)	3m 10s
checks / test (3.13, lowest-direct, ubuntu-latest)	48s
checks / test (3.12, lowest-direct, ubuntu-latest)	57s
checks / test (3.13, locked, ubuntu-latest)	45s
checks / test (3.12, locked, ubuntu-latest)	56s
checks / test (3.11, locked, ubuntu-latest)	49s
checks / test (3.14, locked, ubuntu-latest)	2m 20s
checks / test (3.14, lowest-direct, ubuntu-latest)	1m 16s
checks / test (3.14, lowest-direct, windows-latest)	2m 28s
checks / test (3.13, locked, windows-latest)	2m 25s
checks / test (3.14, locked, windows-latest)	3m 12s
checks / test (3.12, lowest-direct, windows-latest)	3m 36s
all-green	5s
	39m 48s

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