Migrate to Poetry for Packaging, nox for test running. #1358

Job	Run time
Linting	1m 20s
build packages	55s
unit test / python 3.8	1m 22s
unit test / python 3.9	1m 13s
unit test / python 3.10	1m 23s
unit test / python 3.11	1m 6s
verify packages / python 3.8 / ubuntu-latest	1m 29s
verify packages / python 3.9 / ubuntu-latest	1m 20s
verify packages / python 3.10 / ubuntu-latest	1m 34s
verify packages / python 3.11 / ubuntu-latest	1m 18s
verify packages / python 3.8 / macos-latest	3m 0s
verify packages / python 3.9 / macos-latest	2m 26s
verify packages / python 3.10 / macos-latest	2m 45s
verify packages / python 3.11 / macos-latest	2m 24s
verify packages / python 3.8 / windows-latest	3m 48s
verify packages / python 3.9 / windows-latest	5m 34s
verify packages / python 3.10 / windows-latest	3m 44s
verify packages / python 3.11 / windows-latest	3m 18s
	39m 59s

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