Use pyproject.toml purely #12

Job	Run time
Bootstrap on Python 3.8 @ubuntu-latest	22s
Bootstrap on Python 3.8 @ubuntu-latest	40s
Bootstrap on Python 3.8 @ubuntu-latest	29s
Bootstrap on Python 3.9 @ubuntu-latest	31s
Bootstrap on Python 3.9 @ubuntu-latest	32s
Bootstrap on Python 3.9 @ubuntu-latest	23s
Bootstrap on Python 3.10 @ubuntu-latest	34s
Bootstrap on Python 3.10 @ubuntu-latest	33s
Bootstrap on Python 3.10 @ubuntu-latest	24s
Bootstrap on Python 3.11 @ubuntu-latest	27s
Bootstrap on Python 3.11 @ubuntu-latest	24s
Bootstrap on Python 3.11 @ubuntu-latest	22s
Bootstrap on Python 3.8 @macos-latest	40s
Bootstrap on Python 3.8 @macos-latest	36s
Bootstrap on Python 3.8 @macos-latest	26s
Bootstrap on Python 3.9 @macos-latest	44s
Bootstrap on Python 3.9 @macos-latest	46s
Bootstrap on Python 3.9 @macos-latest	40s
Bootstrap on Python 3.10 @macos-latest	38s
Bootstrap on Python 3.10 @macos-latest	38s
Bootstrap on Python 3.10 @macos-latest	28s
Bootstrap on Python 3.11 @macos-latest	45s
Bootstrap on Python 3.11 @macos-latest	39s
Bootstrap on Python 3.11 @macos-latest	30s
	13m 11s

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