chore(deps): update actions/checkout action to v4.3.0 - autoclosed #2957

Job	Run time
test_min_deps (windows-latest)	1m 7s
test_min_deps (ubuntu-latest)	42s
Integration Tests (pdm.lock)	32s
test_min_deps (macos-latest)	46s
Integration Tests (pdm.minimal.lock)	23s
test (3.9, ubuntu-latest)	1m 24s
test (3.11, ubuntu-latest)	1m 28s
test (3.10, ubuntu-latest)	1m 25s
test (3.10, macos-latest)	1m 4s
test (3.10, windows-latest)	1m 57s
test (3.9, macos-latest)	1m 14s
test (3.11, macos-latest)	54s
test (3.11, windows-latest)	1m 52s
test (3.13, macos-latest)	58s
test (3.13, windows-latest)	1m 55s
test (3.13, ubuntu-latest)	1m 29s
test (3.12, windows-latest)	1m 53s
test (3.12, macos-latest)	1m 0s
test (3.12, ubuntu-latest)	1m 27s
test (3.9, windows-latest)	2m 1s
Combine & check coverage	13s
	25m 44s

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