Fix TOML configuration errors #88

Job	Run time
tox env type on ubuntu-latest	50s
tox env type on windows-latest	1m 54s
test 3.13 on ubuntu-latest	4m 26s
tox env dev on ubuntu-latest	36s
test 3.13 on windows-latest	18m 23s
test 3.13 on macos-latest	5m 0s
tox env dev on windows-latest	1m 43s
test 3.12 on ubuntu-latest	4m 36s
tox env docs on ubuntu-latest	2m 35s
tox env pkg_meta on ubuntu-latest	19s
test 3.12 on windows-latest	9m 14s
tox env pkg_meta on windows-latest	1m 2s
test 3.12 on macos-latest	5m 12s
test 3.11 on ubuntu-latest	3m 20s
test 3.11 on windows-latest	11m 37s
test 3.11 on macos-latest	4m 35s
test 3.10 on ubuntu-latest	3m 38s
test 3.10 on windows-latest	8m 14s
test 3.10 on macos-latest	4m 16s
test 3.9 on ubuntu-latest	3m 30s
test 3.9 on windows-latest	13m 20s
test 3.9 on macos-latest	5m 10s
test 3.8 on ubuntu-latest	3m 40s
test 3.8 on windows-latest	11m 18s
test 3.8 on macos-latest	4m 29s
	2h 12m 57s

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