build

Bump version: 3.9.30 → 3.9.31 #1825

Job	Run time
py311 (windows)	12m 47s
py39 (ubuntu)	10m 11s
py310 (ubuntu)	10m 27s
py38 (ubuntu)	10m 12s
py310 (windows)	12m 30s
py311 (macos)	7m 38s
py39 (windows)	11m 24s
check	40s
docs	1m 6s
py311 (ubuntu)	10m 4s
Upload coverage to Coveralls	0s
Deploy docs to GitHub Pages	0s
	1h 26m 59s

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