Add ALG_SET_DRBG_ENTROPY and ALG_SET_KEY_BY_KEY_SERIAL constants

[rzimmerman]

ALG_SET_KEY_BY_KEY_SERIAL was added in Linux 6.2:
https://elixir.bootlin.com/linux/v6.2.16/source/include/uapi/linux/if_alg.h#L54

Also adding ALG_SET_DRBG_ENTROPY for completeness.

[rustbot]

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[rzimmerman]

Regarding the test failures, I think the jammy package for linux-headers is still tied to kernel version 5.15, so this constant is missing.

[bors]

☔ The latest upstream changes (presumably #3404) made this pull request unmergeable. Please resolve the merge conflicts.

[JohnTitor]

We recently updated Ubuntu images to 23.10, please rebase onto main.
Note that our musl header is old and you would have to tweak https://github.com/rust-lang/libc/blob/main/libc-test/build.rs.