Bump actions/checkout to v4.1.7. #26722

Job	Run time
setup / setup	16s
build_test_all_macos_arm64	0s
build_test_all_bazel	2m 21s
build_test_all_arm64	0s
build_test_all_macos_x86_64	0s
build_test_runtime :: ubuntu-20.04	7m 40s
byo_llvm	6m 47s
debug	18m 31s
build_test_runtime :: windows-2022	22m 20s
gcc	4m 48s
build_test_runtime :: arm64	3m 15s
python_release_packages	18m 16s
sanitizers :: asan	13m 40s
small_runtime	3m 28s
sanitizers :: tsan	11m 53s
tracing	6m 52s
build_all / build_all	9m 5s
test_amd_mi250	4m 45s
test_nvidia_gpu	9m 19s
cross_compile_and_test (linux, riscv_64, lp64d, gcr.io/iree-oss/riscv@sha256:62e87bad3405d691ddba...	4m 20s
test_amd_w7900	0s
cross_compile_and_test (linux, riscv_32, ilp32d, gcr.io/iree-oss/riscv@sha256:62e87bad3405d691ddb...	4m 24s
test_nvidia_a100	0s
cross_compile_and_test (generic, riscv_32, ilp32, gcr.io/iree-oss/riscv@sha256:62e87bad3405d691dd...	3m 12s
cross_compile_and_test (emscripten, wasm32, wasm32, gcr.io/iree-oss/emscripten@sha256:2dd4c52f1bb...	3m 59s
build_and_test_android / cross_compile	3m 8s
build_and_test_android / test_on_${{ matrix.target.device-name }}	0s
summary	8s
	2h 42m 27s

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