add extra libs for curl (psl, krb5, unistring, idn2)

[henderkes]

What does this PR do?

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[henderkes]

okay, musl doesn't have python?

other one just needs LD_LIBRARY_PATH.

[crazywhalecc]

I remember that the reason I didn't add these dependencies to curl in the beginning was because it had a library dependency on Python. Dependent on a language with various system-level dependency issues can be quite a headache.

[henderkes]

Yeah I think I'll remove psl. Looks like python is no longer default in Ubuntu either.

[crazywhalecc]

If there is no need to modify the root directory, it is best to pass the subpath directly instead of modifying it.

[henderkes]

How do we pass a subpath directly? I tried searching for it, but couldn't find it.

[crazywhalecc]

I mean shell()->cd("{$this->source_dir}/src")->exec() instead of modifying it.

[henderkes]

Not working for UnixAutoconfExecutor, that's why I changed it.

[crazywhalecc]

Ah that makes sense. But I think it would be more appropriate to add an arg for executor. I would make changes in 3.0 rather than this PR. I will test later to see if it affects other functions, or we can restore it at the end.