CI testing

`collections.namedtuple`: add lookaside #229

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Run time

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Job	Run time
pytester (ubuntu-22.04, 3.10, latest)	10m 43s
pytester (ubuntu-22.04, 3.10, nightly)	10m 34s
pytester (macOS-12, 3.10, latest)	11m 46s
pytester (macOS-12, 3.10, nightly)	14m 20s
pytester (windows-2022, 3.10, latest)	11m 20s
pytester (windows-2022, 3.10, nightly)	14m 12s
pytester (ubuntu-22.04, 3.11, latest)	6m 30s
testing-guardian	1s
	1h 19m 26s