Update libloading #4169

Job	Run time
test_llvm	4m 6s
bench	7m 50s
test (macos-13, x86_64-apple-darwin)	19m 27s
test (ubuntu-24.04-arm, aarch64-unknown-linux-gnu)	11m 2s
test (windows-latest, x86_64-pc-windows-gnu)	27m 11s
test (ubuntu-latest, riscv64gc-unknown-linux-gnu, gcc-riscv64-linux-gnu qemu-user)	6m 53s
test (macos-latest, aarch64-apple-darwin)	11m 41s
test (ubuntu-latest, s390x-unknown-linux-gnu, gcc-s390x-linux-gnu qemu-user)	6m 30s
test (ubuntu-latest, x86_64-unknown-linux-gnu)	13m 23s
dist (macos-latest, aarch64-apple-darwin)	4m 11s
dist (ubuntu-24.04-arm, aarch64-unknown-linux-gnu)	3m 7s
test (windows-latest, x86_64-pc-windows-msvc)	18m 53s
dist (macos-13, x86_64-apple-darwin)	9m 16s
dist (ubuntu-22.04, x86_64-unknown-linux-gnu)	3m 19s
dist (windows-latest, x86_64-pc-windows-msvc)	5m 10s
dist (windows-latest, x86_64-pc-windows-gnu)	6m 34s
rustfmt	13s
release	0s
	2h 38m 46s

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