MNT: Create and test universal wheels #68

Job	Run time
Build packages	23s
Test repo install (conda, 2.7)	59s
Test repo install (conda, 2.7, requirements.txt)	59s
Test repo install (conda, 3.6)	1m 2s
Test repo install (conda, 3.6, requirements.txt)	1m 0s
Test repo install (conda, 3.7)	58s
Test repo install (conda, 3.7, requirements.txt)	59s
Test repo install (native, 3.8)	38s
Test repo install (native, 3.8, requirements.txt)	37s
Test repo install (native, 3.9)	38s
Test repo install (native, 3.9, requirements.txt)	40s
Test repo install (native, 3.10)	40s
Test repo install (native, 3.10, requirements.txt)	40s
Test repo install (native, 3.11)	41s
Test repo install (native, 3.11, requirements.txt)	37s
Test repo install (native, 3.12)	38s
Test repo install (native, 3.12, requirements.txt)	38s
Test package install (ubuntu-latest, conda, 2.7, sdist)	59s
Test package install (ubuntu-latest, conda, 2.7, wheel)	1m 6s
Test package install (ubuntu-latest, native, 3, sdist)	36s
Test package install (ubuntu-latest, native, 3, wheel)	34s
Test package install (macos-latest, conda, 2.7, sdist)	1m 41s
Test package install (macos-latest, conda, 2.7, wheel)	2m 26s
Test package install (macos-latest, native, 3, sdist)	53s
Test package install (macos-latest, native, 3, wheel)	56s
Test package install (windows-latest, conda, 2.7, sdist)	2m 25s
Test package install (windows-latest, conda, 2.7, wheel)	2m 38s
Test package install (windows-latest, native, 3, sdist)	1m 3s
Test package install (windows-latest, native, 3, wheel)	1m 1s
Upload to PyPI	0s
	29m 5s

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