Update to the latest wasi-libc #1207

Job	Run time
Build only sysroot - exceptions	14m 30s
Build only sysroot - default	14m 2s
Build only sysroot - static	13m 18s
Build x86_64-macos	1h 2m 13s
Build arm64-linux	22m 52s
Build arm64-macos	1h 20m 29s
Build riscv64-linux	9m 3s
Build arm64-windows	3h 55m 18s
Build x86_64-windows	2h 30m 42s
Build x86_64-linux	24m 11s
Finalize wasi-sdk artifacts	15m 8s
Test standalone toolchain	3m 53s
	10h 45m 39s

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