Pin `setuptools` to <80 throughout project #5559

Job	Run time
build_linux (3.9)	36m 57s
build_windows (3.9)	1h 7m 19s
build_linux (3.10)	38m 26s
build_windows (3.10)	1h 3m 49s
build_linux (3.11)	38m 43s
build_windows (3.11)	1h 3m 33s
build_linux (3.12)	37m 17s
build_windows (3.12)	59m 43s
build_linux (3.13)	37m 27s
build_windows (3.13)	1h 3m 46s
test_examples_linux (3.11, false, ubuntu-22.04)	8m 14s
test_linux (3.9, false, ubuntu-22.04)	10m 55s
array-api-conformity (3.10, false, ubuntu-22.04)	5m 2s
test_linux (3.10, false, ubuntu-22.04)	11m 10s
test_linux (3.11, false, ubuntu-22.04)	11m 35s
test_linux (3.12, false, ubuntu-22.04)	11m 34s
test_linux (3.13, false, ubuntu-22.04)	10m 35s
upload_linux	0s
test_windows (3.9, false, windows-2019)	2m 42s
test_windows (3.10, false, windows-2019)	2m 42s
test_windows (3.11, false, windows-2019)	2m 46s
test_windows (3.12, false, windows-2019)	2m 44s
test_windows (3.13, false, windows-2019)	2m 53s
upload_windows	0s
Clean up anaconda packages	0s
	9h 49m 52s

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