ETS from source #184

Job	Run time
test-ets (ubuntu-latest, pyside6, 3.13)	1m 22s
test-ets (windows-latest, null, 3.13)	1m 28s
test-ets (macos-latest, pyside6, 3.13)	1m 21s
test-ets (ubuntu-latest, null, 3.13)	1m 26s
test-ets (windows-latest, wx, 3.13)	1m 25s
test-ets (windows-latest, pyside6, 3.13)	1m 17s
test-ets (macos-latest, null, 3.13)	1m 11s
notify-on-failure	3s
notify-on-success	0s
	9m 33s

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