Nightly upstream testing #1125

Job	Run time
Test importing with bare requirements and upstream dev	21m 40s
Test upstream dev (ubuntu-latest, python: 3.8, distributed: false)	20m 2s
Test upstream dev (ubuntu-latest, python: 3.9, distributed: false)	14m 33s
Test upstream dev (ubuntu-latest, python: 3.10, distributed: false)	17m 0s
Test upstream dev (windows-latest, python: 3.8, distributed: false)	33m 26s
Test upstream dev (windows-latest, python: 3.9, distributed: false)	27m 9s
Test upstream dev (windows-latest, python: 3.10, distributed: false)	35m 50s
Test upstream dev (macos-latest, python: 3.8, distributed: false)	28m 25s
Test upstream dev (macos-latest, python: 3.9, distributed: false)	22m 42s
Test upstream dev (macos-latest, python: 3.10, distributed: false)	23m 52s
Test upstream dev (ubuntu-latest, python: 3.8, distributed: true)	14m 42s
Test upstream dev (ubuntu-latest, python: 3.10, distributed: true)	15m 11s
Open issue for upstream dev failures	10s
	4h 34m 42s

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