Implement more socket options. #3346

Job	Run time
Check --no-default-features (nightly)	1m 42s
Check selected Tier 3 platforms (nightly)	4m 54s
Check nightly-only targets (nightly)	35s
Rustfmt	12s
Check (stable)	8m 25s
Test rustix_use_experimental_asm (powerpc64le-linux)	4m 2s
Check (nightly)	8m 38s
Check (1.63)	8m 32s
Test use-libc (ubuntu)	1m 22s
Test use-libc (i686-linux)	1m 24s
Test (ubuntu)	1m 16s
Test use-libc (aarch64-linux)	3m 47s
Test (ubuntu-20.04)	1m 19s
Test use-libc (powerpc64le-linux)	6m 13s
Test (i686-linux)	1m 28s
Test use-libc (riscv64-linux)	3m 44s
Test (aarch64-linux)	1m 39s
Test use-libc (arm-linux)	4m 35s
Test (powerpc64le-linux)	1m 40s
Test (riscv64-linux)	1m 38s
Test (s390x-linux)	1m 35s
Test (arm-linux)	1m 38s
Test (ubuntu-stable)	1m 23s
Test (i686-linux-stable)	1m 32s
Test (aarch64-linux-stable)	1m 39s
Test (riscv64-linux-stable)	1m 37s
Test (s390x-linux-stable)	1m 38s
Test (powerpc64le-linux-stable)	1m 36s
Test (arm-linux-stable)	1m 39s
Test (ubuntu-1.63)	1m 34s
Test (i686-linux-1.63)	1m 39s
Test (aarch64-linux-1.63)	1m 37s
Test (riscv64-linux-1.63)	1m 36s
Test (s390x-linux-1.63)	1m 36s
Test (powerpc64le-linux-1.63)	1m 36s
Test (arm-linux-1.63)	1m 36s
Test (macos-latest)	1m 19s
Test (macos-11)	1m 18s
Test (windows)	1m 21s
Test (windows-2019)	1m 16s
	1h 37m 50s

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