Bump minimum NumPy version in `pyproject.toml` #6235

Job	Run time
build_linux (3.11)	6m 4s
build_linux (3.13)	6m 8s
build_linux (3.12)	6m 10s
build_windows (3.12)	11m 10s
build_linux (3.10)	6m 7s
build_windows (3.10)	11m 5s
build_windows (3.11)	10m 47s
build_linux (3.14)	5m 52s
build_windows (3.14)	10m 4s
build_windows (3.13)	10m 22s
test_examples_linux (3.11, false, ubuntu-latest)	5m 23s
test_linux (3.11, false, ubuntu-latest)	2m 41s
test_linux (3.13, false, ubuntu-latest)	2m 28s
test_linux (3.12, false, ubuntu-latest)	3m 11s
test_linux (3.10, false, ubuntu-latest)	4m 30s
test_linux (3.14, false, ubuntu-latest)	2m 44s
upload_linux	0s
test_windows (3.10, false, windows-latest)	5m 5s
test_windows (3.11, false, windows-latest)	4m 49s
test_windows (3.12, false, windows-latest)	3m 57s
test_windows (3.13, false, windows-latest)	4m 33s
test_windows (3.14, false, windows-latest)	3m 55s
Clean up anaconda packages	0s
upload_windows	-1s
	2h 7m 4s

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