fix error when activating windows environment in public CI #6050

Job	Run time
build_linux (3.13)	28m 57s
build_linux (3.14)	32m 11s
build_linux (3.11)	30m 24s
build_linux (3.10)	31m 12s
build_linux (3.12)	31m 8s
build_windows (3.13)	46m 14s
build_windows (3.11)	45m 58s
build_windows (3.12)	44m 16s
build_windows (3.10)	50m 28s
build_windows (3.14)	44m 12s
array-api-conformity (3.10, false, ubuntu-22.04)	5m 15s
test_examples_linux (3.11, false, ubuntu-22.04)	9m 8s
test_linux (3.10, false, ubuntu-22.04)	10m 13s
test_linux (3.13, false, ubuntu-22.04)	10m 25s
test_linux (3.14, false, ubuntu-22.04)	10m 56s
test_linux (3.11, false, ubuntu-22.04)	10m 47s
test_linux (3.12, false, ubuntu-22.04)	10m 18s
upload_linux	0s
test_windows (3.14, false, windows-latest)	15m 21s
test_windows (3.13, false, windows-latest)	14m 52s
test_windows (3.12, false, windows-latest)	14m 5s
test_windows (3.11, false, windows-latest)	14m 9s
test_windows (3.10, false, windows-latest)	13m 26s
upload_windows	0s
Clean up anaconda packages	0s
	8h 43m 55s

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