build(deps): bump actions/checkout from 6.0.2 to 7.0.0 #2388

Job	Run time
Decide which wheel types to build	4s
Build source distribution	9s
manylinux_x86_64 wheels	2m 37s
manylinux_aarch64 wheels	3m 34s
manylinux_x86_64 wheels	5m 30s
manylinux_aarch64 wheels	6m 11s
musllinux_x86_64 wheels	8m 26s
musllinux_x86_64 wheels	3m 54s
test_in_alpine	45s
test_attaching_to_eol_interpreters (3.7)	1m 33s
test_attaching_to_uv_interpreters (3.13)	42s
test_wheels_in_arch	1m 7s
test_aarch64_wheels (3.14)	2m 4s
test_attaching_to_eol_interpreters (2.7)	1m 11s
test_aarch64_wheels (3.13)	1m 25s
test_aarch64_wheels (3.15)	1m 34s
test_aarch64_wheels (3.9)	1m 16s
test_wheels_in_debian	1m 32s
test_wheels_in_fedora	56s
test_free_threading (3.13)	2m 5s
test_free_threading (3.15)	1m 52s
test_free_threading (3.14)	1m 49s
test_wheels (3.9)	1m 25s
test_wheels (3.11)	1m 4s
test_wheels (3.13t)	2m 26s
test_wheels (3.15)	1m 31s
test_wheels (3.12)	1m 16s
test_wheels (3.10)	1m 45s
test_wheels (3.14)	1m 11s
test_wheels (3.15t)	2m 27s
test_wheels (3.13)	1m 45s
test_wheels (3.14t)	3m 1s
upload_pypi	-1s
	1h 8m 6s

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