Docs: use Python 3.11 inventory to avoid errors with distutils refere… #854

Job	Run time
diffcov	6m 30s
test_cygwin (39, windows-latest)	23m 32s
docs	1m 7s
test (3.8, ubuntu-latest)	8m 3s
test (3.8, macos-latest)	6m 41s
test (3.8, windows-latest)	18m 48s
test (3.11, ubuntu-latest)	6m 7s
test (3.11, macos-latest)	10m 13s
test (3.11, windows-latest)	19m 23s
test (3.12, ubuntu-latest)	11m 25s
test (3.12, macos-latest)	11m 17s
test (3.12, windows-latest)	20m 20s
test (3.9, ubuntu-latest)	8m 7s
test (3.10, ubuntu-latest)	6m 27s
test (pypy3.9, ubuntu-latest, stdlib)	10m 10s
test (ubuntu-latest, 3.10, stdlib)	6m 30s
integration-test	0s
check	3s
release	0s
	2h 54m 43s

Provide feedback