add i09 and i21 to while list #529

Job	Run time
check / pr	3s
lint / run	45s
container / build	1m 1s
test (ubuntu-latest, 3.13) / run	33s
docs / build	47s
dist / build	25s
test (ubuntu-latest, dev) / run	29s
test (ubuntu-latest, 3.11) / run	36s
test (ubuntu-latest, 3.12) / run	44s
test_system (ubuntu-latest, 3.11) / run	1m 5s
test_system (ubuntu-latest, dev) / run	1m 6s
test_system (ubuntu-latest, 3.12) / run	1m 6s
test_system (ubuntu-latest, 3.13) / run	1m 9s
pypi	0s
release	0s
	9m 49s

Provide feedback